Talvez debería tentar con algunhas variantes ortográficas:
communication instruction » communication constructions, communication introduction, communication interaction
instruction theory » introduction theory, institutional theory
theory decision » theory design
basis linear » basics linear, basic linear, bases linear
class linear » less linear, class library, class life
mass linear » bases linear, less linear, basics linear

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• Performing a fuzzy search may retrieve terms with similar spellings: communication instruction theory decision ((basis linear) or (((class linear) OR (mass linear))))~.
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• Adding a wildcard symbol may retrieve word variants: communication instruction theory decision ((basis linear) or (((class linear) OR (mass linear))))*.