Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tran » thanh trang, thanh toan, thanh tra
hieu lang » hieu quang, nhieu tang, hieu van
tran xuan » tran quang, tran van
xuan dung » tuan dung, xuan hung, quang dung
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
tuan cau » quan cau, tuan cu, thuan cam
toan cau » toan cao, toan ban, toan tap

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