Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
doanh doanh » toan doanh, doanh hoan, doanh thanh
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
cong doan » dong doanh, cong san, cong dong
cong hoan » cong hoa, dong hoa, cong san
cong dan » cong san, cong tan, huong dan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - doanh doanh cua khong ((((cong doan) OR (cong dan))) or (cong hoan)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - doanh doanh cua khong ((((cong doan) OR (cong dan))) OR (cong hoan)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - doanh doanh cua khong ((((cong doan) OR (cong dan))) or (cong hoan)) phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - doanh doanh cua khong ((((cong doan) OR (cong dan))) or (cong hoan)) phan dau*.