Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, cong tan
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung dai » truong dai, truong dao, trung tam
dai tuong » dai cuong, doi tuong, dai duong
cong manh » cong danh, duong manh, hoang manh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh trung dai tuong ((cong manh) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung dai tuong ((cong manh) OR (cong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung dai tuong ((cong manh) or (cong thanh)) toan tap*.