Perhaps you should try some spelling variations:
solution algorithm » evolution algorithm, convolution algorithms, evolutionary algorithm
passive estimation » pose estimation
modified learning » mobile learning, modified caging
learning solution » learning convolution, learning emotion
modified passive » modified adaptive

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified learning solution algorithm ) OR ( modified passive estimation algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified learning solution algorithm ) OR ( modified passive estimation algorithm ))".
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