Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
doanh vi » doanh va, doan vi, doanh vien
tu sach » thu sach, su sach, te sach
lam duc » lam duoc, pham duc, nam duoc
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
y xang » ty xang
co hoi » co hoc, co loi
va lam » van lam, va lap
cua tu » cua tuc, cua su, cua cu
o hoi » o hoc, o hai, o hoa

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 y xang ((o hoi) or (co hoi)). lieu va lam duc van doanh vi ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y xang ((o hoi) OR (co hoi)). lieu va lam duc van doanh vi ((cua tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sach y xang ((o hoi) or (co hoi)). lieu va lam duc van doanh vi ((cua tre) or (cua tu))*.