Perhaps you should try some spelling variations:
"modified bi1daptive quantization algorithm" » "modified adaptive quantization algorithm", "modified bi1daptive estimation algorithm"
"modified one approximation algorithms" » "modified time approximation algorithms", "modified _ approximation algorithms", "modified rough approximations algorithms", "modified male approximation algorithms", "modified near approximation algorithms", "modified orca approximation algorithms"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified bi1daptive quantization algorithm") OR ("modified one approximation algorithms"))~.
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