Perhaps you should try some spelling variations:
communication flow » communications flows, communication from, communication food
flow dimension » low dimension, low dimensions, low dimensional
array string » array strong, arrays strings, array sharing
arrays long » arrays ang, arrays load, array along
array using » arrays using

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

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