Perhaps you should try some spelling variations:
"modified objective convolution algorithmsssss" » "modified objective evolution algorithmssss", "modified objective solution algorithmssss"
"modified caging convolution algorithms" » "modified caging evolution algorithm", "modified caging solution algorithm", "modified learning convolution algorithms"

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 objective convolution algorithmsssss") OR ("modified caging convolution algorithms"))~.
• Removing quotes may allow a broader search: (( modified objective convolution algorithmsssss ) or ( modified caging convolution algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified objective convolution algorithmsssss") or ("modified caging convolution algorithms"))*.