Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
documentation fast » documentation a, documentation _
fast revision » last revision, first revision, base revision
revision de » prevision de, revision _, revision a
de libre » de livres, de lie, _ libre

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 revision de libre~.
• Adding a wildcard symbol may retrieve word variants: communication documentation fast revision de libre*.