Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
tieu xanh » tieu danh, dieu hanh, tien anh
cong van » cong vang, cong san, song van
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
va dang » van dang, va nang, da dang
va lang » va nang, hoa lang

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) OR (chieu xanh)) - thanh truong ((va dang) or (va lang)) cong van nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - thanh truong ((va dang) OR (va lang)) cong van nhan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (chieu xanh)) - thanh truong ((va dang) or (va lang)) cong van nhan tai".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (chieu xanh)) - thanh truong ((va dang) or (va lang)) cong van nhan tai*.