Perhaps you should try some spelling variations:
"coder coder complex teaching problem" » "coder coder complexity teaching problem" (Expand search), "coder coder computer teaching problem" (Expand search), "coder coder complex training problem" (Expand search), "coder coder complex teaching program" (Expand search), "coder coder complex teaching profile" (Expand search), "coder coder complex teaching programs" (Expand search), "coder copper complex teaching problem" (Expand search), "coder modern complex teaching problem" (Expand search), "coder holder complex teaching problem" (Expand search), "coder decoder complex teaching problem" (Expand search), "code code complex teaching problem" (Expand search), "decoder codec complex teaching 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 complex teaching problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complex teaching problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder complex teaching problem ) OR ( api python python python programming ))*.