Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
duc manh » suc manh, duc anh, duc minh
manh anh » minh anh, anh anh, thanh anh
hieu ve » hieu va, hieu van
bao duc » dao duc, bao luc, cao duc
anh bai » sach bai, danh bat, hinh bai
bai cua » ban cua, dai cua, bai ca
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, ma hoa, me hoi
ve bao » te bao, va bao

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: thuat sach y nang ((ma hoi) OR (xa hoi)). hieu ve bao duc manh anh bai cua triet~.
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang ((ma hoi) or (xa hoi)). hieu ve bao duc manh anh bai cua triet*.