Use syntax to narrow the results on your search

e.g. "Child nutrition AND food supplements AND Peru" will bring results about related to Child Nutrition and Food Supplements in Peru, you can search for

e.g. "Child nutrition NOT food supplements" will bring results related to Child Nutrition that don't talk about food supplements.

e.g. "Child nutrition AND Ethiopia OR Pakistan" will bring results related to Child Nutrition and Ethiopia or Pakistan.

Other examples

OR search

To search for content that contains one of the terms, 'hygiene' or 'education', use the operator OR in capital letters:

hygiene OR education

AND search

To search for content that contains both the terms 'hygiene' and 'education', use the operator AND in capital letters:

hygiene AND education

NOT search

To search for content that contains 'hygiene' but NOT 'education', use the operator NOT in capital letters:

hygiene NOT education

Excluded term search

To search for content that contains 'hygiene' and 'butter' but not 'education':

hygiene butter -education

More tips at:

https://confluence.atlassian.com/doc/confluence-search-syntax-158720.html