Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong san » cong tac
toan cao » toan ban
toan tap » toan ban
chi anh » chi danh, chi hanh, thi anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chi anh)) - hanh tang luan thong cong san ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chi anh)) - hanh tang luan thong cong san ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chi anh)) - hanh tang luan thong cong san ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chi anh)) - hanh tang luan thong cong san ((toan cao) OR (toan tap))*.