Perhaps you should try some spelling variations:
"coder optimization method based problem" » "coder optimization methods based problem" (Expand search), "code optimization method based problem" (Expand search), "modern optimization method based problem" (Expand search), "powder optimization method based problem" (Expand search), "coder optimization method based problems" (Expand search), "coder optimization method based probe" (Expand search), "coder optimization method posed problem" (Expand search), "coder optimization method and problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder optimization method based problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder optimization method based problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder optimization method based problem") OR ("api python python python programming"))*.