Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
hien xanh » chieu xanh, hien khanh, khien canh
hien hanh » dieu hanh
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
quan cau » quang cao, toan cau, quan ha
va tong » va thong, va tuong, va trong

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 (hien hanh)))) - canh tranh va tong cong san quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (((hien nhanh) OR (hien hanh)))) - canh tranh va tong cong san quan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (((hien nhanh) OR (hien hanh)))) - canh tranh va tong cong san quan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (((hien nhanh) OR (hien hanh)))) - canh tranh va tong cong san quan cau*.