Perhaps you should try some spelling variations:
juan meng » juan rene, jui meng, yuan ming
yang mind » yang cindy, yang jin, sang minh
yan minh » sang minh, yuan ming, anh minh
cong van » congo can, duong van, cong sun
wan yan » wang yan, nan yan, wai yan
yi juan » y juan
yan yi » yang yi, tan yi, yan zi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan yi juan meng ((((yan minh) OR (yang mind))) OR (tuan minh)) cong van ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan yi juan meng ((((yan minh) OR (yang mind))) or (tuan minh)) cong van ;~".
• Adding a wildcard symbol may retrieve word variants: wan yan yi juan meng ((((yan minh) OR (yang mind))) or (tuan minh)) cong van ;*.