Perhaps you should try some spelling variations:
communication information » communication international, communication education
information basic » information based, information casi, information behavior
basic dimensions » based dimension, pacific dimensions, design dimensions
terrain data » brain data
terrain a » terrain _, terrains _, terrapin _

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 basic dimensions ((terrain data) or (terrain a))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication information basic dimensions ((terrain data) OR (terrain a)).
• Adding a wildcard symbol may retrieve word variants: communication information basic dimensions ((terrain data) or (terrain a))*.