Perhaps you should try some spelling variations:
"qoe estimation algorithms" » "qoe estimation algorithm", "qoe optimization algorithms", "qoe optimisation algorithm", "pose estimation algorithms", "_ estimation algorithms", "cover estimations algorithms"
"game optimized algorithm" » "game optimized algorithms", "game optimizer algorithms"
"same optimized algorithm" » "same optimized algorithms", "same optimizer algorithms"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("qoe estimation algorithms") or ((("game optimized algorithm") OR ("same optimized algorithm"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("qoe estimation algorithms") OR ((("game optimized algorithm") OR ("same optimized algorithm")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"qoe estimation algorithms\") or (((\"game optimized algorithm\") OR (\"same optimized algorithm\"))))".
• Removing quotes may allow a broader search: (( qoe estimation algorithms ) or ((( game optimized algorithm ) OR ( same optimized algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("qoe estimation algorithms") or ((("game optimized algorithm") OR ("same optimized algorithm"))))*.