Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
cong thanh » dong thanh, cong trinh, truong thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
tam dung » tam duong, tac dung, tan dung
cong tan » cong tac, cong san, cong ty
tran cau » tran chau, toan cau, ran cau

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 - manh trung tam dung ((cong tan) or (cong thanh)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - manh trung tam dung ((cong tan) OR (cong thanh)) tran cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - manh trung tam dung ((cong tan) or (cong thanh)) tran cau*.