Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
guiding decision » building decision, aiding decision, funding decision
mining decision » making decision, making decisions, pricing decision
rate over » rate oer, create over, route over
rate home » rate house, rates some, care home

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

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