Talvez debería tentar con algunhas variantes ortográficas:
communications conventions » communications convention, communications connections, communication contention
conventions unit » conventional unit, conventional units, conventions input
david resolving » dates resolving, data resolving, design resolving
unit decision » units decision, audit decision, union decision
data moving » data proving, data making, data mixing

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communications conventions unit decision ((david resolving) OR (((data moving) OR (data mining))))~.
• Adding a wildcard symbol may retrieve word variants: communications conventions unit decision ((david resolving) or (((data moving) or (data mining))))*.