Perhaps you should try some spelling variations:
"coder detection method optimization problem" » "coder detection method optimization problems" (Expand search), "coder detection methods optimization problem" (Expand search), "coder selection methods optimization problem" (Expand search), "coder extraction method optimization problem" (Expand search), "code detection method optimization problem" (Expand search), "border detection method optimization problem" (Expand search), "corner detection method optimization 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 detection method optimization problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder detection method optimization problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder detection method optimization problem") OR ("api python python python programming"))*.