Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cach » va cach, van canh, vat cach
su sach » so sach, vu sach
so sanh » do sanh
va nang » van nang, da nang, cam nang
nang xa » nang x, lang xa, nang ma
cach tu » cach thuc
va tinh » may tinh
tinh di » tinh doi, trinh di, tinh da
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de 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)) va nang xa hoi. hieu van cach tu va tinh di cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) va nang xa hoi. hieu van cach tu va tinh di cua tre*.