Perhaps you should try some spelling variations:
"modified allocation optimization algorithms" » "modified allocation optimisation algorithm", "modified allocation estimation algorithm", "modified allocation optimized algorithms", "modified location optimization algorithms"
"modified response estimation algorithms" » "modified response estimation algorithm", "modified response optimisation algorithm", "modified response approximation algorithms", "modified response optimization algorithms", "modified pose estimation algorithms", "modified response association algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified allocation optimization algorithms\") OR (\"modified response estimation algorithms\"))~".
• Removing quotes may allow a broader search: (( modified allocation optimization algorithms ) OR ( modified response estimation algorithms ))~.
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