Perhaps you should try some spelling variations:
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
predation algorithm » predators algorithm, estimation algorithm
orcad predation » orca predation
modified orcad » modified orca
adamllocation » allocation

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified orcad predation algorithm ) or ( modified adamllocation estimation algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified orcad predation algorithm ) OR ( modified adamllocation estimation algorithms )).
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