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