Perhaps you should try some spelling variations:
"modified minimal solution algorithm" » "modified minimal evolution algorithm", "modified minimal convolution algorithms", "modified minimal evolutionary algorithm", "modified thermal solution algorithm", "modified optimal solution algorithm", "modified nodal solution algorithm"
"modified parameter approximation algorithms" » "modified parameters approximation algorithms"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified minimal solution algorithm") OR ("modified parameter approximation algorithms"))~.
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