Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
thanh tung » thanh cong
tai phuong » thi phuong, cac phuong, va phuong
cuong bai » uong bi, cuong ma
so thiet » soc thiet, hoc thiet, hoa thiet
tam hung » tam huong, cam hung, tai hung
bai than » bai toan, ban than, bay than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: so thiet tach - thanh tung ((tam hung) or (tai phuong)) cuong bai than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so thiet tach - thanh tung ((tam hung) OR (tai phuong)) cuong bai than cap.
• Adding a wildcard symbol may retrieve word variants: so thiet tach - thanh tung ((tam hung) or (tai phuong)) cuong bai than cap*.