Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cua tre » cuu tre, cua triet, dua tren
ban dan » ban hang, ban hanh, ban quan
xuc ban » duc ban, cuc ban, quoc ban
lam xuc » cam xuc, lam duoc
sach ty » sach tu, sach thu, xach tay
van lam » van nam
nang o » nang co, nang ho, nang ro
dan vi » doan vi, don vi, dan va
cua te » cua tu
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach y)) nang o hoi. hieu van lam xuc ban dan vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang o hoi. hieu van lam xuc ban dan vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang o hoi. hieu van lam xuc ban dan vi ((cua tre) or (cua te))*.