Perhaps you should try some spelling variations:
bat thanh » ban thanh, bac thanh, dat thanh
thanh de » hanh de, thanh ve, thanh do
su sach » so sach, vu sach
so sanh » do sanh
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
cau luc » cau truc, cau phuc
luc bat » suc bat, luc nhat, luat bat
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
ky cau » ky chau, ke cau
de cua » le cua, te cua, dieu cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky dang ha hoi. hieu ky cau luc bat thanh de cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky dang ha hoi. hieu ky cau luc bat thanh de cua tre*.