6.4.6  Synonyms, related terms, variant spellings, truncation and wildcards

When designing a search strategy, in order to be as comprehensive as possible, it is necessary to include a wide range of free-text terms for each of the concepts selected. For example:

 

Service providers offer facilities to capture these variations through truncation and wildcards:

 

These features vary across service providers. For further details refer to the service provider help files for the database in question.