Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh tung » thanh cong
hien xanh » hien hanh, chieu xanh, hien khanh
tong cong » trong cong, cong cong, dung cong
van phong » van dong, hai phong
van thanh » ban thanh, van tuan
tung tao » trung tam, tuong tac, trong tao
tao tong » tao trong, tao thong, tao tuong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien nhanh)) - thanh tung tao tong cong ((van phong) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - thanh tung tao tong cong ((van phong) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - thanh tung tao tong cong ((van phong) or (van thanh)) cau*.