Perhaps you should try some spelling variations:
"_ optimization algorithms" » "_ optimisation algorithm", "_ estimation algorithm", "_ optimizer algorithms"
"_ estimation algorithms" » "_ estimation algorithm", "_ optimisation algorithm", "_ approximation algorithms"
"dung optimized algorithms" » "dung optimized algorithm", "dung optimizer algorithms"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("dung optimized algorithms") or ((("_ estimation algorithms") OR ("_ optimization algorithms"))))~.
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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"dung optimized algorithms\") or (((\"_ estimation algorithms\") OR (\"_ optimization algorithms\"))))".
• Removing quotes may allow a broader search: (( dung optimized algorithms ) or ((( _ estimation algorithms ) OR ( _ optimization algorithms )))).
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