Perhaps you should try some spelling variations:
"defined network optimization algorithm" » "defined network optimization algorithms", "defined network optimisation algorithm", "defined network estimation algorithm", "designed network optimization algorithm"
"modified based convolution algorithms" » "modified based evolution algorithm", "modified based solution algorithm", "modified dilated convolution algorithms", "modified based continuation algorithms", "modified male convolution algorithms"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("defined network optimization algorithm") or ("modified based convolution algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("defined network optimization algorithm") OR ("modified based convolution algorithms")).
• Removing quotes may allow a broader search: (( defined network optimization algorithm ) or ( modified based convolution algorithms )).
• Adding a wildcard symbol may retrieve word variants: (("defined network optimization algorithm") or ("modified based convolution algorithms"))*.