Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
cam truc » cau truc, nam truc, nam truoc
va trien » va truyen, va thiet, va tuyen
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
danh ve » dinh ve, hanh ve, anh ve
te sai » te tai, te bai, te lai
sai ky » sac ky
ve va » ve van, te va, ke va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky tang xa hoi. hieu ve ((cam truc) or (lam truoc)) va danh ve va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky tang xa hoi. hieu ve ((cam truc) OR (lam truoc)) va danh ve va trien.
• Adding a wildcard symbol may retrieve word variants: te sai ky tang xa hoi. hieu ve ((cam truc) or (lam truoc)) va danh ve va trien*.