Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hanh tai, anh thai
hinh thai » sinh thai, tinh thai, dinh thi
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cua tre » cuu tre, cua triet, dua tren
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
va cam » va cham, va cac, va cao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky tang xa hoi. hieu va cam duc va ((hanh thai) or (hinh thai)) ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky tang xa hoi. hieu va cam duc va ((hanh thai) OR (hinh thai)) ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky tang xa hoi. hieu va cam duc va ((hanh thai) or (hinh thai)) ((cua tre) or (cua te))*.