Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
documentation fast » documentation a, documentation _
decision fixed » decision field, decision aided, decision edited
fast decision » fat decision, first decision, coast decision

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication documentation fast decision fixed (libre* or libro*)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication documentation fast decision fixed (libre* OR libro*).
• Adding a wildcard symbol may retrieve word variants: communication documentation fast decision fixed (libre* or libro*)*.