Perhaps you should try some spelling variations:
tang dai » tang tai, tang dan, lang dai
danh vai » danh sai, danh va, doanh van
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
vai cua » dai cua, hai cua, lai cua
luc va » duc va, tuc va, loc va
tu san » thu san, tu ban, tu can
xuc va » duc va, tuc va, xac va
san ky » sang ky, van ky, dan ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky tang dai hoi. hieu su chat ((xuc va) or (luc va)) danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky tang dai hoi. hieu su chat ((xuc va) OR (luc va)) danh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu san ky tang dai hoi. hieu su chat ((xuc va) or (luc va)) danh vai cua te*.