Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
vu khach » vu khanh, vu khac, vay khach
khach ty » sach ty
hieu van » hieu va, thien van, lieu va
thai cua » than cua, tai cuc, tri cua
nang xa » lang xa, nang ma, mang xa
van bao » van ban, van dao
bao duc » dao duc, bao luc, cao duc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ty ((nang xa) OR (nang x)) hoi. hieu van bao duc va hanh thai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ty ((nang xa) OR (nang x)) hoi. hieu van bao duc va hanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: vu khach ty ((nang xa) OR (nang x)) hoi. hieu van bao duc va hanh thai cua tre*.