Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trang tuan » trung tuan, trong tuan, tran xuan
tran tuan » tran xuan, tran quang, tran thanh
tong cong » trong cong, cong cong, dung cong
cong tan » cong tac, cong san, cong thanh
tan ran » tan tran, tan van, tan san
ran cau » van cau, ban cau, can cau

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 sach)) - hanh ((trang tuan) or (tran tuan)) tong cong tan ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - hanh ((trang tuan) OR (tran tuan)) tong cong tan ran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - hanh ((trang tuan) or (tran tuan)) tong cong tan ran cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - hanh ((trang tuan) or (tran tuan)) tong cong tan ran cau*.