Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
duong cong » dung cong, luong cong, duong trong
trinh toan » tinh toan, thanh toan, trinh han
cong chua » cong cua, cong chuc, con chua
dong cong » dung cong, cong cong, tong cong
dang cong » dung cong
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 cong chua ((((dong cong) OR (duong cong))) or (dang cong)) trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - thanh cong chua ((((dong cong) OR (duong cong))) OR (dang cong)) trinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - thanh cong chua ((((dong cong) OR (duong cong))) or (dang cong)) trinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh cong chua ((((dong cong) OR (duong cong))) or (dang cong)) trinh toan ban*.