Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
first decision » first division, first revision, first session
cost decision » costs decision, coast decision, post decision
fat decision » fate decision, fast decision, sat decision
aid grouping » a grouping, i grouping, based grouping

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 ((((first decision) or (fat decision))) or (cost decision)) aid grouping~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents ((((first decision) OR (fat decision))) OR (cost decision)) aid grouping.
• Adding a wildcard symbol may retrieve word variants: information documents ((((first decision) or (fat decision))) or (cost decision)) aid grouping*.