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