Search tips
Updated - Friday 05 November 2004
For using Google
- Google guide - good free guide on Google, http://www.googleguide.com/print.html
For using Google, Yahoo! and Teoma
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phrase searching is the most simple way to provide more accurate results.
Example: “sustainable livelihoods” - be aware that search engines search on ‘all of the terms’
- adding more terms should provide fewer results
- start with very specific search queries and then get more and more general
- use – to exclude terms, i.e. school sanitation –unicef
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only a few pages of the same website are shown (due to clustering of the results).
Use ‘more results from this website’ or ‘show omitted results’ to get the additional results - use advanced search for more specific options (specific formats, specific domain searches, language documents or date of publications)
- refine your search with the option ‘search within results’
For using portals / subject gateways
To search through all the pages of a specific water portal you can use the search option of the portal itself. If this doesn’t help much, you may want to try the domain / site search feature of Google, Yahoo! or Teoma. For example for a search on wastewater: type in the search box: site:www.irc.nl wastewater
Portals and subject gateways will be a good starting point (8) for:
- topics that are easily classified, i.e. looking for a government water department web site vs. looking for an article on sector wide approaches
- a topic that falls into a thematic area which is covered by a subject directory, i.e. ecological sanitation is a topic in the Sanitation Connection Portal (http://www.sanicon.net/index.php3)
- new information on a specific topic.
For using databases
Databases have the following advantages compared to search engines.
- They give access to specialized collections
- They provide advanced search options
- It implies quality control
- They give access to (part of the) “Invisible web”.

