Perhaps you should try some spelling variations:
"coder coder time complexity problems" » "coder coder time complex problems" (Expand search), "coder coder time complete problems" (Expand search), "coder coder time completion problems" (Expand search), "coder coder the complexity problems" (Expand search), "coder coder regime complexity problems" (Expand search), "coder coder case complexity problems" (Expand search), "coder decoder time complexity problems" (Expand search), "code code time complexity problems" (Expand search), "decoder codec time complexity problems" (Expand search), "coder cover time complexity problems" (Expand search), "coder modern time complexity problems" (Expand search), "coder over time complexity problems" (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.

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