Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vu sach » vu bach, su sach, vu khach
ty nang » ky nang, ty hang, ly nang
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
ma hoi » mai hoi, xa hoi, ma hoa
va dat » va dao, va dau, va dap
vi cua » vai cua, di cua
nuoc » quoc, duoc, ngoc

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: vu sach ((ty nang) OR (ty xang)) ma hoi. hieu va dat nuoc va danh vi cua triet~.
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) or (ty xang)) ma hoi. hieu va dat nuoc va danh vi cua triet*.