Perhaps you should try some spelling variations:
"coder coder efl teaching problem" » "coder coder efl teaching program" (Expand search), "coder coder efl teaching profile" (Expand search), "coder coder efl teaching programs" (Expand search), "coder coder legal teaching problem" (Expand search), "coder decoder efl teaching problem" (Expand search), "code code efl teaching problem" (Expand search), "decoder codec efl 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.

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