Perhaps you should try some spelling variations:
"modified multiobjective optimization algorithms" » "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithms", "modified multiobjective estimation algorithm"
"code control a algorithm" » "mode control a algorithm", "case control a algorithm", "order control a algorithm", "code control _ algorithm", "code control _ algorithms", "code control adam algorithm", "code control law algorithm", "code control case algorithm"

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

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