Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuoc dieu » thuc dieu, hoc dieu, thuat dieu
dong thanh » truong thanh
theo dieu » theo tieu, theo chieu, he dieu
dang cong » dung cong
thanh bac » nhanh bac, thanh bai, thanh san
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo dieu) OR (thuoc dieu)) hanh - ((canh tranh) or (thanh trung)) va dang cong dong thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo dieu) OR (thuoc dieu)) hanh - ((canh tranh) OR (thanh trung)) va dang cong dong thanh bac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo dieu) OR (thuoc dieu)) hanh - ((canh tranh) or (thanh trung)) va dang cong dong thanh bac".
• Adding a wildcard symbol may retrieve word variants: ((theo dieu) OR (thuoc dieu)) hanh - ((canh tranh) or (thanh trung)) va dang cong dong thanh bac*.