Perhaps you should try some spelling variations:
"modified adaptive quantization algorithms" » "modified adaptive estimation algorithms", "modified adaptive optimization algorithms", "modified adaptive ventilation algorithms", "modified passive quantization algorithms"
"modified caging convolution algorithms" » "modified caging evolution algorithm", "modified caging solution algorithm", "modified learning convolution algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adaptive quantization algorithms\") OR (\"modified caging convolution algorithms\"))~".
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