Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hang cong » dang cong, hang nong, bang cong
cong nhan » cong nhat, cong thanh, cong san
nhan tuan » nhan luan, than tuan, thanh tuan
tranh va » tranh van, trang va, trinh va
tuan cau » toan cau, quan cau, tuan cu
va hang » van hang, va nang, va lang

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))) or (trieu tinh)) - canh tranh va hang cong nhan tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu xanh) OR (chieu sach))) OR (trieu tinh)) - canh tranh va hang cong nhan tuan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu xanh) or (chieu sach))) or (trieu tinh)) - canh tranh va hang cong nhan tuan cau*.