Perhaps you should try some spelling variations:
"coder coding arduino sample problem" » "coder cutting arduino sample problem" (Expand search), "coder using arduino sample problem" (Expand search), "coder con arduino sample problem" (Expand search), "coder coding arduino small problem" (Expand search), "coder coding arduino complex problem" (Expand search), "coder coding arduino same problems" (Expand search), "modern coding arduino sample problem" (Expand search), "color coding arduino sample problem" (Expand search), "odor coding arduino sample 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 arduino sample problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding arduino sample problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding arduino sample problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding arduino sample problem") OR ("api python python python programming"))*.