Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
hoc tien » hoc tieng, hoc hien, hoc vien
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien thanh - hanh doanh cua thong ((cong van) OR (song van)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien thanh - hanh doanh cua thong ((cong van) OR (song van)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc tien thanh - hanh doanh cua thong ((cong van) OR (song van)) toan cao*.