Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
luan thang » luan thanh, xuan thang, luan tang
phap sinh » phau sinh, phai sinh, phap tinh
hoan luan » hoa luan, toan luan, han luan
thi phap » theo phap, thi hai, thi ha
long dan » long doan, nong dan, long van
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thi phap sinh - doanh hoan luan thang ((long dan) or (cong dan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thi phap sinh - doanh hoan luan thang ((long dan) OR (cong dan)) van ban.
• Adding a wildcard symbol may retrieve word variants: thi phap sinh - doanh hoan luan thang ((long dan) or (cong dan)) van ban*.