Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
tinh chuan » trinh chuan, tinh chua, tieu chuan
chuan xang » chua xang, chuan trang, chua nang
canh tinh » hanh tinh, manh tinh, canh tranh
xang cong » dang cong, bang cong, hang cong
cong nang » cong ngang, cong lang, cong nong
nang hang » nang sang, hang hang, cang thang

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 sang) or (chieu sach)) - canh tinh chuan xang cong nang hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - canh tinh chuan xang cong nang hang va.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - canh tinh chuan xang cong nang hang va*.