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