Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
canh tinh » hanh tinh, manh tinh, canh tranh
dung cong » dung trong
cong van » cong vang, cong san, song van
tinh me » tinh he, tinh ma, tinh mo
me dung » m dung, me cung, te dung
tan cau » toan cau, tan ca, tao cau
van cau » van dau, van hau, van chat

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 sang) OR (hieu lang)) - canh tinh me dung cong van ((tan cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - canh tinh me dung cong van ((tan cau) OR (van cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (hieu lang)) - canh tinh me dung cong van ((tan cau) or (van cau))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (hieu lang)) - canh tinh me dung cong van ((tan cau) or (van cau))*.