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"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("modified objective convolution algorithmsssss") or ("modified caging convolution algorithms"))~.
• 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"))*.