Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh van » tran van, trinh van, thanh van
van thanh » ban thanh, van tuan
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap

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 xanh)) - hanh tranh van thanh cong tan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - hanh tranh van thanh cong tan than cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - hanh tranh van thanh cong tan than cao*.