Perhaps you should try some spelling variations:
"modified notion optimisation algorithm" » "modified notion optimization algorithms", "modified notion estimation algorithms", "modified network optimization algorithm"
"modified fire estimation algorithm" » "modified pose estimation algorithm", "modified risk estimation algorithm", "modified sphere estimation algorithm", "modified seird estimation algorithm", "modified bi1 estimation algorithm", "modified male estimation algorithm"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified fire estimation algorithm\") OR (\"modified notion optimisation algorithm\"))~".
• Removing quotes may allow a broader search: (( modified fire estimation algorithm ) OR ( modified notion optimisation algorithm ))~.
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