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 agvs routing problem" » "coder coder arc routing problem" (Expand search), "coder coder and routing problem" (Expand search), "coder coder qos routing problem" (Expand search), "coder decoder agvs routing problem" (Expand search), "code code agvs routing problem" (Expand search), "decoder codec agvs 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 agvs routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder agvs routing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder agvs routing problem ) OR ( api python python python programming ))*.