Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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 (chiet tach)) - canh tranh cua nhung cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu lang) OR (chieu sang))) OR (chiet tach)) - canh tranh cua nhung cong ban than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu lang) OR (chieu sang))) or (chiet tach)) - canh tranh cua nhung cong ban than cap*".