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