Perhaps you should try some spelling variations:
dinh dai » dinh dat, sinh dai, dinh dao
te sach » toc sach
va cham » va tham
va chat » van chat, va phat, cao chat
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
loc va » hoc va, luc va
cua cu » cua chu, cua cau, cua su
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu ((va cham) OR (va chat)) loc va dinh dai ((cua tre) OR (cua cu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. hieu ((va cham) OR (va chat)) loc va dinh dai ((cua tre) or (cua cu))~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((va cham) OR (va chat)) loc va dinh dai ((cua tre) or (cua cu))*.