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