Perhaps you should try some spelling variations:
"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)
"coder coder flat routing problem" » "coder coder flow routing problem" (Expand search), "coder coder flat rolling problem" (Expand search), "coder coder flood routing problem" (Expand search), "coder decoder flat routing problem" (Expand search), "code code flat routing problem" (Expand search), "decoder codec flat routing problem" (Expand search), "coder over flat routing problem" (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 flat routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder flat routing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder flat routing problem ) OR ( api python python python programming ))*.