Perhaps you should try some spelling variations:
"coder coder iot teaching problem" » "coder coder iot teaching program" (Expand search), "coder coder iot teaching profile" (Expand search), "coder coder iot teaching programs" (Expand search), "coder coder ict teaching problem" (Expand search), "coder coder not teaching problem" (Expand search), "coder coder cost teaching problem" (Expand search), "coder decoder iot teaching problem" (Expand search), "code code iot teaching problem" (Expand search), "decoder codec iot teaching problem" (Expand search), "coder over iot 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 iot teaching problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder iot teaching problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder iot teaching problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder iot teaching problem") OR ("api python python python programming"))*.