Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dang cong » dung cong
van giang » manh giang, tran giang, dan gian
cua dang » cua cong, cua ban
van gian » dan gian, van giao, van giam

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 - canh doanh cua dang cong ((van gian) OR (van giang)) lan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - canh doanh cua dang cong ((van gian) OR (van giang)) lan".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh doanh cua dang cong ((van gian) OR (van giang)) lan*.