Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
basic dimensional » basic dimensions, bai dimensional, bi dimensional
based dimension » based dispersion, basic dimensions, based extension
problems lang » problems long, problems yang, problem lang

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 ((basic dimensional) or (based dimension)) problems lang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication documentation ((basic dimensional) OR (based dimension)) problems lang.
• Adding a wildcard symbol may retrieve word variants: communication documentation ((basic dimensional) or (based dimension)) problems lang*.