Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, hien nhanh, hien khanh
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
san quan » ban quan, dan quan, san luan
van quan » 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 xanh) or (chieu xanh)) - hanh trang va thong cong ((san quan) OR (van quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh trang va thong cong ((san quan) OR (van quan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (chieu xanh)) - hanh trang va thong cong ((san quan) OR (van quan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - hanh trang va thong cong ((san quan) OR (van quan)) cau*.