Perhaps you should try some spelling variations:
communicative functions » communication foundations
based discussion » brief discussion
functions based » function based
array profiling » array processing, microarray profiling
array probing » arrays probing, assay probing, array protein
arrays a » arrays _

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• Performing a fuzzy search may retrieve terms with similar spellings: communicative functions based discussion ((((array probing) or (array profiling))) or (arrays a))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communicative functions based discussion ((((array probing) OR (array profiling))) OR (arrays a)).
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