Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
tran 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 ((((thieu xanh) or (chieu xanh))) or (thien anh)) - hanh tang cua thong cong tan tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (chieu xanh))) OR (thien anh)) - hanh tang cua thong cong tan tran van.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (chieu xanh))) or (thien anh)) - hanh tang cua thong cong tan tran van*.