Perhaps you should try some spelling variations:
"qoe optimized algorithms" » "qoe optimizer algorithms", "qoe optimization algorithms", "qoe optimizer algorithmss", "_ optimized algorithms"
"qoe optimized algorithm" » "qoe optimizer algorithms", "_ optimized algorithm"
"jose estimation algorithm" » "pose estimation algorithm", "risk estimation algorithm", "cover estimations algorithm"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("jose estimation algorithm") or ((("qoe optimized algorithms") or ("qoe optimized algorithm"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("jose estimation algorithm") OR ((("qoe optimized algorithms") OR ("qoe optimized algorithm")))).
• Removing quotes may allow a broader search: (( jose estimation algorithm ) or ((( qoe optimized algorithms ) or ( qoe optimized algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("jose estimation algorithm") or ((("qoe optimized algorithms") or ("qoe optimized algorithm"))))*.