Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
documentation data » documentation a, documentation fast, documentation based
data dimensional » data dimension, data dimensions, meta dimensional
diseases indexes » disease index, diseases insects, diseases indonesia

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 data dimensional ((diseases indexes) or (databases bncod))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication documentation data dimensional ((diseases indexes) OR (databases bncod)).
• Adding a wildcard symbol may retrieve word variants: communication documentation data dimensional ((diseases indexes) or (databases bncod))*.