Perhaps you should try some spelling variations:
"modified motion optimisation algorithm" » "modified motion optimization algorithms", "modified motion estimation algorithm", "modified motion estimation algorithms"
"modified caging optimized algorithm" » "modified caging optimized algorithms", "modified caging optimizer algorithms", "modified aging optimized algorithm", "modified changing optimized algorithm", "modified charging optimized algorithm"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified motion optimisation algorithm") OR ("modified caging optimized algorithm"))~.
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