Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hieu van » hieu va, thien van, lieu va
tay tang » tay lang, tay trung, tay quang
nam thuc » nam thuoc, am thuc, nam thu
dan vai » dan va, dan tai, dan vat
nam xuc » cam xuc, nam xua, nam duoc
ky tang » ky nang, ky dang, kho tang
va dan » ca dan, va dao, va dau
vai su » va su, van su, lai su
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ((tay tang) or (ky tang)) xa hoi. hieu van ((nam xuc) or (nam thuc)) va dan vai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ((tay tang) OR (ky tang)) xa hoi. hieu van ((nam xuc) OR (nam thuc)) va dan vai su triet.
• Adding a wildcard symbol may retrieve word variants: te sac ((tay tang) or (ky tang)) xa hoi. hieu van ((nam xuc) or (nam thuc)) va dan vai su triet*.