Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, minh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
chong cong » cong cong, thong cong, cuong cong
thien anh » thien danh, tien anh, thien thanh
ha chong » va chong, a chong, ha cong
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (thien anh)) - ((hanh trang) OR (hanh trinh)) ha chong cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - ((hanh trang) OR (hanh trinh)) ha chong cong tan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (thien anh)) - ((hanh trang) OR (hanh trinh)) ha chong cong tan van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - ((hanh trang) OR (hanh trinh)) ha chong cong tan van ban*.