Perhaps you should try some spelling variations:
complexity dimensions » complex dimensions, complexity bisections, community dimension
processes complexity » process complexity, processing complexity, processes complex
learning processes » learning process
array formats » assay formats, array formulas, ready formats
array arcing » array forming, array probing, array sharing

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• Performing a fuzzy search may retrieve terms with similar spellings: learning processes complexity dimensions ((array format) or (((array arcing) or (array formats))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: learning processes complexity dimensions ((array format) OR (((array arcing) OR (array formats)))).
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