Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
tang thanh » dang thanh, trung thanh, hoang thanh
hieu xanh » hieu manh, hieu nganh, dieu hanh
dung cong » dung trong
cong tang » cong thang, cong tan, cong lang
thanh dau » thanh dat, thanh dam, thanh mau
tam dung » tam duong, tac dung, tan dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (chieu xanh)) - thanh trung tam dung cong tang thanh dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - thanh trung tam dung cong tang thanh dau.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (chieu xanh)) - thanh trung tam dung cong tang thanh dau*.