Perhaps you should try some spelling variations:
"coder coding channel using problems" » "coder fading channel using problems" (Expand search), "coder cooling channels using problems" (Expand search), "coder fading channels using problems" (Expand search), "coder coding channel using problem" (Expand search), "coder coding channel housing problems" (Expand search), "coder coding channel ising problem" (Expand search), "modern coding channel using problems" (Expand search), "color coding channel using problems" (Expand search), "odor coding channel using problems" (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 coding channel using problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding channel using problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding channel using problems") OR ("api python python python programming"))*.