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