Perhaps you should try some spelling variations:
tinh dak » tinh da, tinh dau, trinh dan
te sach » toc sach
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
va tinh » may tinh
dak cua » dai cua, day cua, dan cua
cua tre » cua te, cuu tre, cua triet
y sang » _ sang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa

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 sang ma hoi. hieu ve ((cac du) OR (giao duc)) va tinh dak cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach y sang ma hoi. hieu ve ((cac du) or (giao duc)) va tinh dak cua tre*.