Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
duong cong » dung cong, luong cong, duong trong
trung van » truong van, trong van, trung va
van duong » van dong, van dung, van phong
tren thuc » trien thuc, tron thuc, trinh thuc
cong tac » cong ty
tac tren » rac tren, tai tren, tap tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - thanh trung van duong cong tac tren thuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh trung van duong cong tac tren thuc.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - thanh trung van duong cong tac tren thuc*.