Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
chinh quan » chinh quyen, chinh ngan, trinh quan
chinh luan » chinh ngan, trinh luan, binh luan
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san
ho thiet » hoc thiet, hoa thiet, so thiet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thiet tach - hanh ((chinh quan) OR (chinh luan)) nhung cong ((thanh toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh ((chinh quan) OR (chinh luan)) nhung cong ((thanh toan) OR (tinh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - hanh ((chinh quan) OR (chinh luan)) nhung cong ((thanh toan) or (tinh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh ((chinh quan) OR (chinh luan)) nhung cong ((thanh toan) or (tinh toan)) cau*.