Perhaps you should try some spelling variations:
vat tinh » sat tinh, vat sinh, hoat tinh
tinh vai » tinh va, tinh hai, tinh bai
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang ma » hang va, hang ca, tang ma
va nhom » vao nhom, cac nhom, sat nhom
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
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: su sach ty hang ma hoi. hieu ((va nhom) OR (va nho)) thuc vat tinh vai cua tre~.
• Adding a wildcard symbol may retrieve word variants: su sach ty hang ma hoi. hieu ((va nhom) or (va nho)) thuc vat tinh vai cua tre*.