Perhaps you should try some spelling variations:
chieu lang » hieu lang, chi lang, chieu xanh
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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 lang) OR (chieu sang)) - thanh dung luan ((cong cong) or (dung cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu lang) OR (chieu sang)) - thanh dung luan ((cong cong) OR (dung cong)) dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu lang) OR (chieu sang)) - thanh dung luan ((cong cong) or (dung cong)) dan than cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu lang) OR (chieu sang)) - thanh dung luan ((cong cong) or (dung cong)) dan than cau*.