Perhaps you should try some spelling variations:
communication control » communication concepts, communication culture, communication channel
emerging provision » emerging profession, emerging prevention, emerging protein
control emerging » control embedding, control emergence, context emerging
land solving » hard solving, mend solving, 1a solving
easy solving » easy cooking

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication control emerging provision ((land solving) or (easy solving))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication control emerging provision ((land solving) OR (easy solving)).
• Adding a wildcard symbol may retrieve word variants: communication control emerging provision ((land solving) or (easy solving))*.