Perhaps you should try some spelling variations:
"coder code complexity approximations problem" » "coder code complexity approximation problem" (Expand search), "coder code complexity approximation from" (Expand search), "coder case complexity approximations problem" (Expand search), "coder the complexity approximations problem" (Expand search), "coder and complexity approximations problem" (Expand search), "code code complexity approximations problem" (Expand search), "modern code complexity approximations problem" (Expand search), "color code complexity approximations 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.

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