也许你应该尝试一些拼写变化:
communication applications » communication education, education applications
databases integration » database integration, data integration, database integrity
databases information » data information
applications root » applications robot, applications robots, applications role
root dimensional » wood dimensional, two dimensional, one dimensional

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication applications root dimensional ((databases integration) or (databases information))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication applications root dimensional ((databases integration) OR (databases information)).
• Adding a wildcard symbol may retrieve word variants: communication applications root dimensional ((databases integration) or (databases information))*.