Perhaps you should try some spelling variations:
"coding using arduino programming computer" » "coding using arduino processing computer" (Expand search), "coding using arduino programmable computer" (Expand search), "coding using radio programming computer" (Expand search), "coding using learning programming computer" (Expand search), "modeling using arduino programming computer" (Expand search), "drying using arduino programming computer" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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: (("coding using arduino programming computer") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding using arduino programming computer\") OR (\"api pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coding using arduino programming computer ) OR ( api pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coding using arduino programming computer") OR ("api pitons python python programming"))*.