Perhaps you should try some spelling variations:
"modified adaptive quantization algorithm" » "modified adaptive estimation algorithm", "modified adaptive ventilation algorithm", "modified passive quantization algorithm"
"modified df optimized algorithms" » "modified df optimized algorithm", "modified df optimizer algorithms", "modified df optimization algorithms", "modified _ optimized algorithms", "modified _ optimize algorithms", "modified adam optimized algorithms", "modified bi1 optimized algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adaptive quantization algorithm\") OR (\"modified df optimized algorithms\"))~".
• Removing quotes may allow a broader search: (( modified adaptive quantization algorithm ) OR ( modified df optimized algorithms ))~.
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