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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"_ optimized algorithms\") OR (\"_ optimized algorithm\"))) OR (\"sphere optimisation algorithm\"))~".
• Removing quotes may allow a broader search: (((( _ optimized algorithms ) OR ( _ optimized algorithm ))) OR ( sphere optimisation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ optimized algorithms") OR ("_ optimized algorithm"))) OR ("sphere optimisation algorithm"))*.