Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
van bac » van bao, van hac, dan bac
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
bac so » bac son, bac si, bac bo
so van » su van, vo van
ban vi » ban voi, ban va, ban ve
vi cua » vai cua, di cua
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: te sach y nang x hoi. hieu van bac so van ban vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu van bac so van ban vi cua tre*.