Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh lap
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cau tuc » cau truc, cau phuc, cau thac
cau luc » cau truc, cau phuc
xa hanh » xa thanh, xa khanh, va hanh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
cau tu » dau tu, cau truc

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 ky nang x ho. hieu van ((((cau tuc) OR (cau luc))) OR (cau tu)) xa hanh lai cua tre~.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x ho. hieu van ((((cau tuc) or (cau luc))) or (cau tu)) xa hanh lai cua tre*.