Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » thong cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cap » truong cao, trung tam
dung cong » dung trong
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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