Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
cua tre » cua te, cuu tre, cua triet
dua ban » dia ban, cua ban, qua ban
lam dua » lam cua, lam duoc, lam dung
van lam » van nam
te sach » toc sach
ly hang » ly quang
ly nang » ky nang, ly vang, ly quang
cua tu » cua tuc, cua su, cua cu

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 sach ((ly nang) OR (ly hang)) xa hoi. hieu van lam dua ban hanh vi ((cua tre) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) OR (ly hang)) xa hoi. hieu van lam dua ban hanh vi ((cua tre) or (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) OR (ly hang)) xa hoi. hieu van lam dua ban hanh vi ((cua tre) or (cua tu))*.