Talvez debería tentar con algunhas variantes ortográficas:
multidimensional analysis » dimensional analysis, multidimensional knapsack
communication situations » communication simulation, communication solutions, communication foundations
situations toward » situations towards, situations how, relations toward

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• Performing a fuzzy search may retrieve terms with similar spellings: communication situations toward ((multidimensional analysis) or (multidimensional data)) lisa~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication situations toward ((multidimensional analysis) OR (multidimensional data)) lisa.
• Adding a wildcard symbol may retrieve word variants: communication situations toward ((multidimensional analysis) or (multidimensional data)) lisa*.