Perhaps you should try some spelling variations:
communication information » communication international, communication education
databases optimizing » catalysis optimizing, analysis optimizing, databases mining
database optimized » database optimising, database limited
information act » information age, information a, information about
act dimensions » pit dimensions, all dimensions, et dimensions

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

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