Perhaps you should try some spelling variations:
"coder coding on scheduling problem" » "coder coding in scheduling problem" (Expand search), "coder coding and scheduling problem" (Expand search), "coder coding job scheduling problem" (Expand search), "modern coding on scheduling problem" (Expand search), "color coding on scheduling problem" (Expand search), "odor coding on scheduling problem" (Expand search), "coder coding of scheduling problem" (Expand search), "coder coding an scheduling problem" (Expand search)
"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)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding on scheduling problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding on scheduling problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding on scheduling problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding on scheduling problem") OR ("api python python python programming"))*.