Perhaps you should try some spelling variations:
vuc nang » cuc nang, vu nang, chuc nang
te sach » toc sach
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa
ve hoc » te hoc, va hoc, vi hoc
v nang » va nang, vu nang, van nang
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu

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: te sach ((v nang) OR (vuc nang)) ma hoi. hieu ve hoc (nuoc OR duoc) va hanh di cua tu~.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (vuc nang)) ma hoi. hieu ve hoc (nuoc or duoc) va hanh di cua tu*.