Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
san nhung » sang nhung, ban nhung, sao nhung
nhung cau » chung cu, nhung bai, nhu cau
trung ha » trung hoc, trung tam, trung 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 ha ((nhung cong) or (hang cong)) san nhung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung ha ((nhung cong) OR (hang cong)) san nhung cau*.