Perhaps you should try some spelling variations:
"coder using arduino based programming" » "coder using arduino and programming" (Expand search), "coder using arduino based program" (Expand search), "coder using arduino cone programming" (Expand search), "coder using arduino board programming" (Expand search), "coders using arduino based programming" (Expand search), "cover using arduino based programming" (Expand search), "code using arduino based 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 based programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using arduino based programming\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using arduino based programming ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using arduino based programming") OR ("via python python python programming"))*.