Perhaps you should try some spelling variations:
"modified robust optimisation algorithm" » "modified robust optimization algorithms", "modified robust estimation algorithm", "modified robust estimation algorithms", "modified robust optimization algorithm"
"modified learning method algorithm" » "mobile learning method algorithm", "modified caging method algorithm", "modified learning mom algorithm", "modified learning methods algorithm", "modified graining methods algorithm", "modified learning emotion algorithm"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified robust optimisation algorithm") OR ("modified learning method algorithm"))~.
• Removing quotes may allow a broader search: (( modified robust optimisation algorithm ) or ( modified learning method algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified robust optimisation algorithm") or ("modified learning method algorithm"))*.