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