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