Perhaps you should try some spelling variations:
communications conventions » communications convention, communications connections, communication contention
conventions set » conventions fast, conventions unit, conventions case
david resolving » dates resolving, data resolving, design resolving
set decision » soft decision, smart decision, agent decision
data moving » data proving, data mining, data making

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

• Performing a fuzzy search may retrieve terms with similar spellings: communications conventions set decision ((david resolving) or (data moving))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communications conventions set decision ((david resolving) OR (data moving)).
• Adding a wildcard symbol may retrieve word variants: communications conventions set decision ((david resolving) or (data moving))*.