Perhaps you should try some spelling variations:
"_ estimation algorithms" » "_ estimation algorithm", "_ optimization algorithms", "_ optimisation algorithm"
"qoe optimizer algorithmss" » "qoe optimizer algorithms", "qoe optimized algorithm"
"qoe optimized algorithms" » "qoe optimized algorithm", "qoe optimizer algorithms", "qoe optimization algorithms", "_ optimized algorithms"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qoe optimizer algorithmss") OR ("qoe optimized algorithms"))) OR ("_ estimation algorithms"))~.
• Removing quotes may allow a broader search: (((( qoe optimizer algorithmss ) or ( qoe optimized algorithms ))) or ( _ estimation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (((("qoe optimizer algorithmss") or ("qoe optimized algorithms"))) or ("_ estimation algorithms"))*.