Perhaps you should try some spelling variations:
"modified objective optimization algorithms" » "modified objective optimisation algorithm", "modified objective estimation algorithms", "modified objective estimation algorithm", "modified multiobjective optimization algorithms"
"modified trained evolution algorithm" » "modified trained solution algorithm", "modified trained evolutionary algorithm", "modified trained convolution algorithms", "modified time evolution algorithm", "modified trained convolutional algorithm", "modified traces evolution 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 trained evolution algorithm") OR ("modified objective optimization algorithms"))~.
• Removing quotes may allow a broader search: (( modified trained evolution algorithm ) or ( modified objective optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified trained evolution algorithm") or ("modified objective optimization algorithms"))*.