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

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (so sach)) ty ((nang xa) or (nang x)) hoi. hieu van bac xuc va hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (so sach)) ty ((nang xa) OR (nang x)) hoi. hieu van bac xuc va hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (so sach)) ty ((nang xa) or (nang x)) hoi. hieu van bac xuc va hanh thai cua tre*.