Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
liang lin » liang li, liang lilin, liang ying
tun minh » tuan minh, duc minh, thi minh
gong hui » tong hui, tong shui, wang hui
lin tun » lisan tun, ein turn, lin chun
long du » long d, long do, long run

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((lang yang) OR (yang yang)) liang lin tun minh ((long du) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((lang yang) OR (yang yang)) liang lin tun minh ((long du) OR (gong hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((lang yang) OR (yang yang)) liang lin tun minh ((long du) or (gong hui)) ;*".