Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
cong quang » luong quang, thong quang, duong quang
trung cua » truong cua, trung tuan, trung cap
cong lang » cong vang, cong luong, cong ngang
thang cau » hang cau, thong cau, thanh chau
cua dung » cua dang, cua dong, qua dung

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 (chieu sang)) - hanh trung cua dung ((cong lang) OR (cong quang)) thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - hanh trung cua dung ((cong lang) OR (cong quang)) thang cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - hanh trung cua dung ((cong lang) OR (cong quang)) thang cau*".