Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh tung » thanh cong
duong cong » dung cong, luong cong, duong trong
cau duong » hai duong, con duong, van duong
tung cau » trung cau, dung cau, trung cap
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 nhanh - thanh tung cau duong cong dan toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh tung cau duong cong dan toan ban*.