Perhaps you should try some spelling variations:
chen yang » chen rong
sang minh » kang minah, anh minh, song min
yang yan » yang yang, wang yan, yang fan
wie rene » wilke rene, wie deine, wie eine
yan wie » van wie, kian wie
jing ji » ying jin
dang » dan, lang, wang
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: chen yang yan wie rene ((sang minh) or (jing ji)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chen yang yan wie rene ((sang minh) OR (jing ji)) dang hai ;.
• Adding a wildcard symbol may retrieve word variants: chen yang yan wie rene ((sang minh) or (jing ji)) dang hai ;*.