Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
thu sach » tu sach, thuat sach, thuoc sach
viec cac » vien cac, viec cua, viec lam
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
su sach » so sach, vu sach
cac luc » cau luc, coc luc, cac nuoc
luc van » luoc van, luu van, duc van
y nang » ky nang, ly nang, v nang
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (thu sach)) y nang x hoi. hieu viec cac luc van hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu sach)) y nang x hoi. hieu viec cac luc van hanh dai cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu sach)) y nang x hoi. hieu viec cac luc van hanh dai cua te*.