Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
phong van » thong van, phong va, hong van
cua dong » chua dong, cua cong, cua dang
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh doanh cua dong ((phong van) OR (phung van)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh doanh cua dong ((phong van) OR (phung van)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh doanh cua dong ((phong van) OR (phung van)) toan tap*.