Perhaps you should try some spelling variations:
"qoe optimization algorithms" » "qoe optimisation algorithm", "qoe estimation algorithms", "qoe estimation algorithm", "game optimization algorithms", "_ optimization algorithms", "stage optimization algorithms"
"_ optimizer algorithmss" » "_ optimized algorithms", "_ optimized algorithm", "_ optimized algorithmss", "_ optimize algorithmss", "_ optimise algorithmss"
"_ optimizer algorithms" » "_ optimized algorithms", "_ optimized algorithm", "_ optimize algorithms", "_ optimise 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: (((("_ optimizer algorithmss") or ("_ optimizer algorithms"))) or ("qoe optimization algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ optimizer algorithmss") OR ("_ optimizer algorithms"))) OR ("qoe optimization algorithms")).
• Removing quotes may allow a broader search: (((( _ optimizer algorithmss ) or ( _ optimizer algorithms ))) or ( qoe optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (((("_ optimizer algorithmss") or ("_ optimizer algorithms"))) or ("qoe optimization algorithms"))*.