Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
hieu van » thien van, lieu va, hieu ve
van hanh » van thanh, ban hanh, van anh
thai cua » than cua, tai cuc, tri cua
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
so sac » so sach, so dac
sac ky » cac ky, sai ky

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

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