Perhaps you should try some spelling variations:
"coding using arduino based program" » "coding using arduino and program" (Expand search), "coding using arduino board program" (Expand search), "loading using arduino based program" (Expand search), "modeling using arduino based program" (Expand search), "drying using arduino based program" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding using arduino based program\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coding using arduino based program ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coding using arduino based program") OR ("python coding python python programming"))*.