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