Perhaps you should try some spelling variations:
communication infections » communication infectious, communication intentions, communication interactions
infections basic » infections asia, infections case, infections cardiac
basic dimensions » based dimension, pacific dimensions, design dimensions
array string » array strong, arrays strings, array sharing
arrays a » arrays _

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication infections basic dimensions ((((array format) or (array string))) or (arrays a))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication infections basic dimensions ((((array format) OR (array string))) OR (arrays a)).
• Adding a wildcard symbol may retrieve word variants: communication infections basic dimensions ((((array format) or (array string))) or (arrays a))*.