Perhaps you should try some spelling variations:
"coder using pso algorithm modeling" » "coder using pso algorithm considering" (Expand search), "coder using an algorithm modeling" (Expand search), "coder using _ algorithm modeling" (Expand search), "coder using bat algorithm modeling" (Expand search), "coders using pso algorithm modeling" (Expand search), "cover using pso algorithm modeling" (Expand search), "code using pso algorithm modeling" (Expand search), "coder using pcr algorithm modeling" (Expand search), "coder using p algorithm modeling" (Expand search), "coder using pb algorithm modeling" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder using pso algorithm modeling") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using pso algorithm modeling\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using pso algorithm modeling ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using pso algorithm modeling") OR ("_ python python python programming"))*.