Perhaps you should try some spelling variations:
"coder an arduino programming problem" » "coder an arduino programmable problem" (Expand search), "coder an radio programming problem" (Expand search), "coder an learning programming problem" (Expand search), "coder an arduino programming problems" (Expand search), "coder _ arduino programming problem" (Expand search), "code an arduino programming problem" (Expand search), "codes an arduino programming problem" (Expand search), "poder an arduino programming problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 an arduino programming problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder an arduino programming problem\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder an arduino programming problem ) OR ( in python python python programming ))*.