Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan bang » luan nang, luan ban, luan tang
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, cong dong
toan cao » toan tap
toan ban » van ban

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: ho chieu tinh - hanh doanh luan bang ((cong dan) OR (huong dan)) ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh doanh luan bang ((cong dan) OR (huong dan)) ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh doanh luan bang ((cong dan) OR (huong dan)) ((toan cao) or (toan ban))*.