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