Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
luan thang » luan thanh, xuan thang, luan tang
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
hoan luan » hoa luan, toan luan, han luan
long doan » cong doan, dong doanh, rong doanh
long dan » cong dan, nong dan, long 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: theo phap tinh - doanh hoan luan thang ((long dan) or (long doan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - doanh hoan luan thang ((long dan) OR (long doan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - doanh hoan luan thang ((long dan) or (long doan)) toan cao*.