Perhaps you should try some spelling variations:
communication cooperation » communication conversation, communication operator, communication collaboration
pricing decision » pricing decisions, medicine decision, planning decision
making decision » making decisions, marketing decision, using decision
gate over » rate over, state over, waste over
oer » boer, omer, ober

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

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