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