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