Perhaps you should try some spelling variations:
tthanh trung » thanh tung, thanh trang, hanh trang
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
tuan cong » thuan cong, luan cong, tran cong
dong tai » dung tai, luong tai, cong tac
tai toan » bai toan, tap toan, tai tuan
toan cau » toan cao, toan ban, toan tap

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) or (tthanh trung)) tuan cong dong tai toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((thanh trung) OR (tthanh trung)) tuan cong dong tai toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((thanh trung) or (tthanh trung)) tuan cong dong tai toan cau*.