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