Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh tran » thanh trang, thanh toan, thanh tra
tran thanh » ban thanh, van thanh, quan thanh
doanh phan » doanh nhan, doanh thanh, doanh luan
hien xanh » hien hanh, chieu xanh, hien khanh
cong cong » cong dong, trong cong, dung cong
doan phan » toan phan, dan phan, doanh nhan

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 tran thanh cong cong ((doan phan) or (doanh phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - thanh tran thanh cong cong ((doan phan) OR (doanh phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - thanh tran thanh cong cong ((doan phan) or (doanh phan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - thanh tran thanh cong cong ((doan phan) or (doanh phan)) cau*.