Perhaps you should try some spelling variations:
"coder decoder develop arduino programming" » "coder decoder develop arduino programmable" (Expand search), "coder decoder develop radio programming" (Expand search), "coder decoder develop learning programming" (Expand search), "encoder decoder develop arduino programming" (Expand search), "video decoder develop arduino programming" (Expand search), "coder decoder developed arduino programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons 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 decoder develop arduino programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder develop arduino programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder develop arduino programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder develop arduino programming") OR ("api python python python programming"))*.