Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents identifying » comments identifying, contents identifying, document identifier
definitions health » definitions quality, definitions part, defining health
definitions alex » definitions a, definitions causes, definitions legal

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information documents identifying ((definitions alex) OR (definitions health)) alfieri~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information documents identifying ((definitions alex) OR (definitions health)) alfieri".
• Adding a wildcard symbol may retrieve word variants: information documents identifying ((definitions alex) OR (definitions health)) alfieri*.