Perhaps you should try some spelling variations:
"coder coder solving routing problem" » "coder coder solving using problem" (Expand search), "coder coder solving cutting problem" (Expand search), "coder coder solving moving problem" (Expand search), "coder case solving routing problem" (Expand search), "coder roses solving routing problem" (Expand search), "coder decoder solving routing problem" (Expand search), "code code solving routing problem" (Expand search), "decoder codec solving routing 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 solving routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder solving routing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder solving routing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder solving routing problem") OR ("api python python python programming"))*.