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The search engine automatically searches across a wide range of fields, including Title, Summary, Full Text, Author Name, Subject Tags and Publication Source. But you can use the tick boxes to confine your search to any combination of four specific fields: Title, Summary, Full Text and/or Author Name.

This only looks for results containing an exact match with the phrase you enter. You can also search for exact phrase matches using our standard search - just put your phrase "in double quotes".

This looks for results containing all the words you enter. If all your words cannnot be found, no results will be returned. Our standard search also looks for all your words, but if it can't find them all, it returns results containing the best combination of words that it can find.

This looks for results containing at least one of your search terms. You can also use our standard search to do this by putting an uppercase OR between your terms - e.g. iphone OR smartphone OR apps

This excludes from your results items that contain any of these words. You can also use our standard search to do this by putting an uppercase NOT in front of any words you want to exclude - e.g. smartphone NOT iphone

Boolean terms can be used to create sophisticated word search queries, commonly using AND, OR, NOT and NEAR. For example:

- iphone AND smartphone looks for results containing both words
- iphone OR smartphone looks for results containing at least one of the words
- iphone NOT smartphone looks for results containing the first word but not the second
- iphone NEAR smartphone looks for results containing both words close together in text

Terms can also be combined together as well as used in conjunction with "exact phrases", for example:

- "Apple iphone" AND (apps OR applications) NOT Vodafone

You can enter Boolean search phrases into our standard search. They must be entered in UPPERCASE.