Perhaps you should try some spelling variations:
"modified multiobjective optimization algorithms" » "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithms", "modified multiobjective estimation algorithm"
"model using source algorithm" » "model using our algorithm", "model using search algorithm", "model using force algorithm", "model using morse algorithm", "code using source algorithm", "models nursing source algorithm", "powder using source algorithm"

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

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