Perhaps you should try some spelling variations:
"modified lighting optimization algorithms" » "modified lighting optimisation algorithm", "modified lighting estimation algorithms", "modified lighting estimation algorithm", "modified staffing optimization algorithms", "modified caging optimization algorithms"
"modified objective optimized algorithms" » "modified objective optimized algorithm", "modified objective optimizer algorithms", "modified objective optimal algorithms", "modified objective optimization algorithms"

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