Perhaps you should try some spelling variations:
ban hang » ngan hang
ve triet » va trien, su triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
tuc ban » thuc ban, truc ban, tu ban
hang vi » hang va, hanh vi, hang di
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
va cam » va cac, va cao, va cai
vi ve » va ve, gi ve, ve ve

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 v nang xa hoi. hieu ((va cam) OR (va cham)) tuc ban hang vi ve triet~.
• Adding a wildcard symbol may retrieve word variants: su sach v nang xa hoi. hieu ((va cam) or (va cham)) tuc ban hang vi ve triet*.