Perhaps you should try some spelling variations:
communicative functions » communication foundations
functions based » function based
based dimension » based dispersion, basic dimensions, based extension
array string » array strong, arrays strings, array sharing
arrays ang » arrays a

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