Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
optimizer algorithms » optimized algorithms
motion optimization » motion estimation, policy optimization, allocation optimization
optimized algorithm » optimized algorithms

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• Performing a fuzzy search may retrieve terms with similar spellings: (( motion optimization algorithms ) or ( does ((optimized algorithm) OR (optimizer algorithms)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( motion optimization algorithms ) OR ( does ((optimized algorithm) OR (optimizer algorithms)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( motion optimization algorithms ) or ( does ((optimized algorithm) OR (optimizer algorithms)) ))".
• Adding a wildcard symbol may retrieve word variants: (( motion optimization algorithms ) or ( does ((optimized algorithm) OR (optimizer algorithms)) ))*.