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 qos routing problem" » "coder decoder qos routing problem" (Expand search), "code code qos routing problem" (Expand search), "decoder codec qos routing problem" (Expand search), "coder coder of 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 qos routing problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder qos routing problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder qos routing problem") OR ("api python python python programming"))*.