Perhaps you should try some spelling variations:
communication communicating » communication communication
communicating basic » communications basic, communication basic, communicating bad
basic dimensional » basic dimensions, bai dimensional, bi dimensional
three theorem » three theorems, tree theorem, three theories
type theorem » type theorems, type theories, type theory

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication communicating basic dimensional ((three theorem) or (type theorem))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication communicating basic dimensional ((three theorem) OR (type theorem)).
• Adding a wildcard symbol may retrieve word variants: communication communicating basic dimensional ((three theorem) or (type theorem))*.