Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
yang mind » yang cindy, yang jin, tang min
zhong tai » hong tan, hong hai, zhong zhi
lang yan » wang yan, wang yang, zhang yan
chai dan » chai onn, chai tam, shi dan
chang ha » chang mae
ka chai » ka chuan, kim chai
yan ka » yang ka, yuan kai

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: lang yan ka chai dan ((yang mind) OR (sang minh)) ((zhong tai) OR (chang ha)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan ka chai dan ((yang mind) OR (sang minh)) ((zhong tai) or (chang ha)) ;~".
• Adding a wildcard symbol may retrieve word variants: lang yan ka chai dan ((yang mind) OR (sang minh)) ((zhong tai) or (chang ha)) ;*.