Perhaps you should try some spelling variations:
communication applications » communication education, education applications
applications basic » applications based, applications business
basic dimensional » basic dimensions, bai dimensional, bi dimensional
rake angle » rake angles, range angle, ray angle
arrays ang » arrays a

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 basic dimensional ((((array nano) or (rake angle))) or (arrays ang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication applications basic dimensional ((((array nano) OR (rake angle))) OR (arrays ang)).
• Adding a wildcard symbol may retrieve word variants: communication applications basic dimensional ((((array nano) or (rake angle))) or (arrays ang))*.