Perhaps you should try some spelling variations:
hien khanh » hien hanh, hien nhanh, dien khanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, hien nhanh, khien canh
hanh hang » thanh hang, hang hang, hanh han
va thong » va thuong, va phuong, he thong
cong san » cong tac
san quan » van quan, ban quan, dan quan
quan cau » quang cao, toan cau, quan ha

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