Perhaps you should try some spelling variations:
"coder coding channel using problem" » "coder fading channel using problem" (Expand search), "coder cooling channels using problem" (Expand search), "coder fading channels using problem" (Expand search), "coder coding channel housing problems" (Expand search), "coder coding channel routing problem" (Expand search), "coder coding channel cutting problem" (Expand search), "modern coding channel using problem" (Expand search), "color coding channel using problem" (Expand search), "odor coding channel using 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 coding channel using problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding channel using problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding channel using problem ) OR ( api python python python programming ))*.