Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cuc ban » cua ban, cac ban, duc ban
cuu ban » cuu van, cua ban, cuu san
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 sac ky nang xa hoi. hieu van cam ((cuc ban) OR (cuu ban)) hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu van cam ((cuc ban) OR (cuu ban)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu van cam ((cuc ban) OR (cuu ban)) hanh vi cua tre*.