Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
tong huong » thong huong, tong thuong, dong huong
cong huong » cong thuong, cong luong, cong hung
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 hach - hanh doanh cua ((tong huong) OR (cong huong)) ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh doanh cua ((tong huong) OR (cong huong)) ((dan toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - hanh doanh cua ((tong huong) OR (cong huong)) ((dan toan) or (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh doanh cua ((tong huong) OR (cong huong)) ((dan toan) or (dan than)) cau*.