Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh
nhieu tang » nhiet nang
hieu lang » hieu quang, hieu van, biet lang
lang cong » dang cong, bang cong, hang cong
tranh va » tranh van, trang va, trinh va
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((hieu lang) OR (chieu sang))) or (nhieu tang)) - canh tranh va lang cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu lang) OR (chieu sang))) OR (nhieu tang)) - canh tranh va lang cong ban than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu lang) OR (chieu sang))) or (nhieu tang)) - canh tranh va lang cong ban than cau".
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu lang) OR (chieu sang))) or (nhieu tang)) - canh tranh va lang cong ban than cau*.