Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tuan » trung thanh, tran tuan, truong thanh
hung tuong » nhung tuong, hung vuong, hung cuong
hieu lang » hieu quang, nhieu tang, hieu van
tuong dan » huong dan, tung dan, xuong dan
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: doi ((chieu sang) OR (hieu lang)) - thanh ((trung tuan) or (trung tam)) hung tuong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - thanh ((trung tuan) OR (trung tam)) hung tuong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (hieu lang)) - thanh ((trung tuan) or (trung tam)) hung tuong dan than cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (hieu lang)) - thanh ((trung tuan) or (trung tam)) hung tuong dan than cau*.