Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
fast dimension » first dimension, hat dimension, fast dimensioning
lost dimension » poset dimension, soft dimension, first dimension
problems yang » problems a, problems a.r, problems yes

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 ((fast dimension) or (lost dimension)) problems yang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversation ((fast dimension) OR (lost dimension)) problems yang.
• Adding a wildcard symbol may retrieve word variants: communication conversation ((fast dimension) or (lost dimension)) problems yang*.