Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
evolution algorithm » solution algorithm, evolutionary algorithm, convolution algorithms
learning evolution » learning convolution, learning emotion
bi1 optimisation » _ optimisation, _ optimization, qoe optimization
modified bi1 » modified _

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified bi1 optimisation algorithm ) or ( machine learning evolution algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified bi1 optimisation algorithm ) OR ( machine learning evolution algorithm )).
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