Perhaps you should try some spelling variations:
computation implementations » computation implementation, computations implementation, computational implementation
computing implementation » computer implementation, planning implementation
basic dimensions » based dimension, pacific dimensions, design dimensions
dimensions a » dimensions _
a sparse » _ sparse

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• Performing a fuzzy search may retrieve terms with similar spellings: ((computation implementations) or (computing implementation)) basic dimensions a sparse~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((computation implementations) OR (computing implementation)) basic dimensions a sparse.
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