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

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

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