Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
su sach » vu sach
xuc van » duc van, luc van, vuc van
bao xuc » bao luc, bao thuc
van bao » van ban, van dao
cua tre » cua te, cuu tre, cua triet
nang xa » lang xa, nang ma, mang xa
so sach » so sanh, bo sach, co sach

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) or (so sach)) ty ((nang xa) or (nang x)) hoi. hieu van bao xuc van hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ty ((nang xa) OR (nang x)) hoi. hieu van bao xuc van hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ty ((nang xa) or (nang x)) hoi. hieu van bao xuc van hanh thai cua tre*.