Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau 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
tran chau » tranh chap, tran huu
cong san » cong tac
tran cau » toan cau, ran cau, tra cau

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

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