Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan

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 dong cong ((san toan) OR (dan toan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - hanh doanh cua dong cong ((san toan) OR (dan toan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh doanh cua dong cong ((san toan) OR (dan toan)) ban*.