Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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