Perhaps you should try some spelling variations:
communication information » communication international, communication education
war multidimensional » way multidimensional, a multidimensional, al multidimensional
databases optimized » database optimized, databases optimizing, databases optimal
information war » information work, information web, information toward
databases ptime » databases optimal, databases pt, databases pin

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 war multidimensional ((databases optimized) or (databases ptime))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication information war multidimensional ((databases optimized) OR (databases ptime)).
• Adding a wildcard symbol may retrieve word variants: communication information war multidimensional ((databases optimized) or (databases ptime))*.