Perhaps you should try some spelling variations:
"coder coder time complexity problem" » "coder coder time complex problem" (Expand search), "coder coder time completion problem" (Expand search), "coder coder time convexity problem" (Expand search), "coder coder the complexity problem" (Expand search), "coder coder regime complexity problem" (Expand search), "coder coder case complexity problem" (Expand search), "coder decoder time complexity problem" (Expand search), "code code time complexity problem" (Expand search), "decoder codec time complexity problem" (Expand search), "coder cover time complexity problem" (Expand search), "coder modern time complexity problem" (Expand search), "coder over time complexity 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 coder time complexity problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder time complexity problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder time complexity problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder time complexity problem") OR ("api python python python programming"))*.