Perhaps you should try some spelling variations:
thuat tach » thuat sach, thuat mach, thuat tac
thien hach » thien thanh, hien hanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan thong » luan phong, luan tuong, luat thong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((thuat tach) or (thien hach)) - hanh doanh luan thong ((cong dan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thuat tach) OR (thien hach)) - hanh doanh luan thong ((cong dan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((thuat tach) or (thien hach)) - hanh doanh luan thong ((cong dan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((thuat tach) or (thien hach)) - hanh doanh luan thong ((cong dan) OR (cong san)) toan ban*.