Perhaps you should try some spelling variations:
"coder using arduino integer programming" » "coder using arduino linear programming" (Expand search), "coder using arduino internal programming" (Expand search), "coders using arduino integer programming" (Expand search), "cover using arduino integer programming" (Expand search), "code using arduino integer programming" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in 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 using arduino integer programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using arduino integer programming\") OR (\"via python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder using arduino integer programming ) OR ( via python python python programming ))*.