Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong san » cong tac
san quan » van quan, ban quan, dan quan
quan tai » quan tri, quang tri, quan li

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - ((thanh truong) or (thanh tung)) quan dung cong san quan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((thanh truong) OR (thanh tung)) quan dung cong san quan tai.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((thanh truong) or (thanh tung)) quan dung cong san quan tai*.