Perhaps you should try some spelling variations:
"modified adaptive quantization algorithm" » "modified adaptive estimation algorithm", "modified adaptive ventilation algorithm", "modified passive quantization algorithm"
"modified staffing optimized algorithm" » "modified staffing optimized algorithms", "modified staffing optimizer algorithms", "modified staffing optimization algorithm", "modified caging optimized algorithm"

You may be able to get more results by adjusting your search query.

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