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 1 routing problem" » "coder decoder 1 routing problem" (Expand search), "code code 1 routing problem" (Expand search), "decoder codec 1 routing problem" (Expand search), "coder coder 19 routing problem" (Expand search), "coder coder _ routing problem" (Expand search), "coder coder s routing problem" (Expand search), "coder coders _ 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 1 routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder 1 routing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder 1 routing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder 1 routing problem") OR ("api python python python programming"))*.