Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
thai cua » than cua, tai cuc, tri cua
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky nang o hoi. hieu van chat xuc ((va hanh) or (va danh)) thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky nang o hoi. hieu van chat xuc ((va hanh) OR (va danh)) thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su xac ky nang o hoi. hieu van chat xuc ((va hanh) or (va danh)) thai cua tre*.