Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
cuc ban » cua ban, cac ban, cuu ban
duc ban » duc tan, duc van, dua ban
luu tre » luu tru, cuu tre, luy tre
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
vi luu » vi lua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu van cam ((cuc ban) OR (duc ban)) hanh vi luu tre~.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu van cam ((cuc ban) or (duc ban)) hanh vi luu tre*.