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
thanh dung » thanh duong, thanh tung, thanh hung
dung huong » dung thuong, dung phuong, dong huong
hien xanh » hien hanh, chieu xanh, hien khanh
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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))) or (dieu hanh)) - thanh tran thanh dung huong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien xanh) OR (hien nhanh))) OR (dieu hanh)) - thanh tran thanh dung huong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) or (hien nhanh))) or (dieu hanh)) - thanh tran thanh dung huong dan toan cao*.