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Home  >  Frequently-Asked Questions About Searching
Search Options:  Basic Search  |  Advanced Search

What are the Advanced Search options?

An Advanced Search allows you to retrieve more targeted results.


Option: all of the words (and)

  • What it does: search for resources where all of the words appear
  • When/how to use:
    • to search for a set of keywords that must appear in the resource, regardless of order
  • Example: Advanced

Option: any of the words (or)

  • What it does: search for resources where any of the words appear
  • When/how to use:
    • to search for a set of key words that may appear in the resource
    • use this if there are acronyms, synonyms or spelling variations that would help with your search
  • Example: Advanced

Option: "exact phrase"

  • What it does: search for resources where the exact phrase appears
  • When/how to use:
    • to search for a phrase that must appear in the resource, exactly as you have entered it
    • you can either enter an exact phrase in the basic search box by putting it in quotes, or you can enter it in advanced search without quotes
  • Example: Advanced

Option: without the words (not)

  • What it does: search for resources where these words do not appear
  • When/how to use:
    • to focus your search by excluding certain terms
  • Example: Advanced

Option: pub date from... to...

  • What it does: search for resources within a specific date range
  • When/how to use:
    • to narrow results to documents published within a certain period of time
  • Example: Advanced
Help from Greta’s Gems
Research GemFind Maps
Learn how to locate flood elevation maps, storm surge zones, earthquake maps and evacuation maps.
Research GemFind Podcasts and Webcasts
The HSDL collects important, open-source policy and strategy podcasts and webcasts. Learn how to find them.
Research GemFind Emergency Response Plans
The HSDL has a large collection of state, county and local emergency management and response plans. Learn how to find them.
Research GemAdvanced Searching
Do you find that you regularly get too many hits with your searches? Learn how to get better results.
Research GemSet Email Alerts
The HSDL can alert you by email when we add new documents. Learn how to customize your search criteria to add them as alerts.

Greta Marlatt is the Information Services Manager at the Naval Postgraduate School Dudley Knox Library, Content Manager for the HSDL and Research Liaison for the NPS Center for Homeland Defense and Security.