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