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