Perhaps you should try some spelling variations:
"qoe optimization algorithm" » "qoe optimization algorithms", "qoe optimisation algorithm", "qoe estimation algorithm", "game optimization algorithm", "_ optimization algorithm", "stage optimization algorithm"
"done optimizer algorithms" » "done optimized algorithms", "done optimization algorithms", "dong optimizer algorithms", "one optimizer algorithms", "don optimizer algorithms"
"_ optimized algorithm" » "_ optimized algorithms"

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

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