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