Perhaps you should try some spelling variations:
rojas yuan » rojas juan
liang tan » liang dan, liang sun, wing tan
yuan ming » yuan ting, kian ming, tuan minh
rong sein » ong sean
dong bin » dong sin, dong di, dann bin
duan li » guan li, dayuan li, duan lian
yuan li » yuan lin, guan li, yuan zi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((liang tan) or (dong bin)) rojas yuan ming ((duan li) OR (yuan li)) rong sein ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((liang tan) OR (dong bin)) rojas yuan ming ((duan li) OR (yuan li)) rong sein ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((liang tan) or (dong bin)) rojas yuan ming ((duan li) OR (yuan li)) rong sein ;*".