Perhaps you should try some spelling variations:
doanh ban » doanh bat, doanh van, doanh nhan
ty doanh » ly doanh, te doanh, tri doanh
xanh tai » hanh tai, anh tai, vanh tai
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ban hoi » ban thoi, ban moi, dan hoi
hieu va » lieu va, hieu qua
cac luc » cau luc, cac nuoc, cac cuoc
va xanh » va danh, va hanh, va anh
tai cua » thai cua, tai cuc, tri cua
cua te » cua tu

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: tu sach ty doanh ban hoi. hieu va ((cac luc) OR (coc luc)) va xanh tai cua te~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty doanh ban hoi. hieu va ((cac luc) or (coc luc)) va xanh tai cua te*.