Perhaps you should try some spelling variations:
hien khanh » hien hanh, hien nhanh, dien khanh
tong cong » trong cong, cong cong, dung cong
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san quan » van quan, ban quan, dan quan
va tong » va thong, va tuong, va trong
quan ha » quan he

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 khanh) or (dieu hanh)) - canh tranh va tong cong san quan ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien khanh) OR (dieu hanh)) - canh tranh va tong cong san quan ha.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien khanh) or (dieu hanh)) - canh tranh va tong cong san quan ha*.