Perhaps you should try some spelling variations:
communication constructions » communication constructing, communication constructive, communication abstractions
solving decision » building decision, modeling decision, using decision
making decision » making decisions, marketing decision, using decision
waste over » waste open
gate over » rate over, state over, care over

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication constructions ((solving decision) or (making decision)) ((gate over) or (waste over))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication constructions ((solving decision) OR (making decision)) ((gate over) OR (waste over)).
• Adding a wildcard symbol may retrieve word variants: communication constructions ((solving decision) or (making decision)) ((gate over) or (waste over))*.