Perhaps you should try some spelling variations:
van nang » van quang, van ban, van dong
su sach » vu sach
danh vi » hanh vi, dinh vi, danh di
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
so sach » so sanh, bo sach, co sach
tuc va » thuc va, tuc xa, duc va
vi cua » vai cua, di cua
cua te » cua tu

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 sach)) van nang xa hoi. hieu va cac ((tuc va) OR (truc va)) danh vi cua te~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) van nang xa hoi. hieu va cac ((tuc va) or (truc va)) danh vi cua te*.