Perhaps you should try some spelling variations:
"coder zhang lei precoder program" » "coder zhang lei proder program" (Expand search), "coder zhang lei recovery program" (Expand search), "coder zhang lei precoce programa" (Expand search), "coder zhang lei poder program" (Expand search), "coder zhang to precoder program" (Expand search), "coder zhang and precoder program" (Expand search), "coder zhang ke precoder program" (Expand search), "poder zhang lei prepoder program" (Expand search), "codes zhang lei precodes program" (Expand search), "coded zhang lei precoded program" (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), "rpa python 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 zhang lei precoder program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder zhang lei precoder program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder zhang lei precoder program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder zhang lei precoder program") OR ("api python python python programming"))*.