Perhaps you should try some spelling variations:
"modified lighting optimisation algorithmss" » "modified lighting optimization algorithms", "modified lighting estimation algorithms", "modified lighting estimation algorithm", "modified lighting optimization algorithmsss", "modified lighting estimation algorithmss", "modified lighting estimation algorithmsss", "modified caging optimisation algorithmss"
"modified objective optimisation algorithm" » "modified objective optimization algorithm", "modified multiobjective optimization algorithm", "modified objective optimization algorithms", "modified objective estimation algorithm", "modified objective estimation algorithms"

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