Perhaps you should try some spelling variations:
"coder coder method optimization problem" » "coder coder method optimization problems" (Expand search), "coder powder method optimization problem" (Expand search), "coder holder method optimization problem" (Expand search), "coder power method optimization problem" (Expand search), "coder decoder method optimization problem" (Expand search), "code code method optimization problem" (Expand search), "decoder codec 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.

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