Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tong quan » thong quan, tong luan, luong quan
quan tuan » quang tuan, quan luan, quan quan
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chieu sach)) - thanh tung ((cua dung) or (cua dang)) tong quan tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - thanh tung ((cua dung) OR (cua dang)) tong quan tuan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - thanh tung ((cua dung) or (cua dang)) tong quan tuan cau*.