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