Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - anh tang cua nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((((chieu xanh) OR (hieu manh))) OR (chieu sang)) - anh tang cua nhung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - anh tang cua nhung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: doc ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - anh tang cua nhung cong dan than cau*.