Perhaps you should try some spelling variations:
cham quoc » chuan quoc, cham soc, cua quoc
danh sai » dung sai, danh bat, danh dau
te sach » toc sach
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. hieu ve ((cham quoc) OR (han quoc)) va danh sai cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ve ((cham quoc) OR (han quoc)) va danh sai cua tre*.