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 hops routing problem" » "coder coder qos routing problem" (Expand search), "coder coder hoc routing problem" (Expand search), "coder coder copy routing problem" (Expand search), "coder decoder hops routing problem" (Expand search), "code code hops routing problem" (Expand search), "decoder codec hops routing problem" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder hops routing problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder hops routing problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder hops routing problem") OR ("api python python python programming"))*.