Perhaps you should try some spelling variations:
"modified multiobjective optimization algorithms" » "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithms", "modified multiobjective estimation algorithm"
"when learning emotion algorithm" » "when learning evolution algorithm", "when learning estimation algorithm", "when learning predation algorithm", "when learning method algorithm", "deep learning emotion algorithm", "how learning emotion algorithm", "shot 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: (("when learning emotion algorithm") OR ("modified multiobjective optimization algorithms"))~.
• Removing quotes may allow a broader search: (( when learning emotion algorithm ) or ( modified multiobjective optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("when learning emotion algorithm") or ("modified multiobjective optimization algorithms"))*.