Perhaps you should try some spelling variations:
viec lam » viec va
van danh » van doanh, van anh, van hanh
viec cac » vien cac, viec cua, viec va
vai cua » dai cua, hai cua, lai cua
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so van » su van, vo van

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. hieu ((viec cac) or (viec lam)) so van danh ((vai cuu) OR (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((viec cac) OR (viec lam)) so van danh ((vai cuu) OR (vai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. hieu ((viec cac) or (viec lam)) so van danh ((vai cuu) OR (vai cua)) tre*".