Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
vuc van » duc van, luc van, thuc van
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang xa hoi. hieu ((va cam) OR (va cao)) vuc van hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. hieu ((va cam) OR (va cao)) vuc van hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. hieu ((va cam) OR (va cao)) vuc van hanh vi cua tre*.