Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
center dimensional » conveyor dimensional, one dimensional, higher dimensional
finite dimensional » infinite dimensional, one dimensional
key libre » key lime, de libre, key life

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 ((center dimensional) OR (finite dimensional)) key libre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication documentation ((center dimensional) OR (finite dimensional)) key libre".
• Adding a wildcard symbol may retrieve word variants: communication documentation ((center dimensional) OR (finite dimensional)) key libre*.