Perhaps you should try some spelling variations:
"coder coder tasks routing problem" » "coder coder based routing problem" (Expand search), "coder coder tasks using problem" (Expand search), "coder coder tasks during problem" (Expand search), "coder decoder tasks routing problem" (Expand search), "code code tasks routing problem" (Expand search), "decoder codec tasks routing problem" (Expand search), "coder coded masks routing problem" (Expand search), "coder worker tasks 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 tasks routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tasks routing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder tasks routing problem ) OR ( api python python python programming ))*.