Perhaps you should try some spelling variations:
"qoe optimization algorithmsss" » "qoe optimization algorithms", "qoe optimisation algorithm", "qoe estimation algorithms", "qoe optimization algorithmssss", "qoe optimisation algorithmsss", "qoe estimation algorithmsss", "game optimization algorithmsss", "_ optimization algorithmsss", "stage optimization algorithmsss"
"parameters optimization algorithm" » "parameter optimization algorithm", "parameter estimation algorithm", "parameters optimization algorithms", "parameters optimisation algorithm", "parameters estimation algorithm"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("parameters optimization algorithm") OR ("qoe optimization algorithmsss"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"parameters optimization algorithm\") OR (\"qoe optimization algorithmsss\"))".
• Removing quotes may allow a broader search: (( parameters optimization algorithm ) OR ( qoe optimization algorithmsss )).
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