Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
trung tuan » trung thanh, trung tam, tran tuan
thong sang » thong mang, thong nang, thong san
hieu lang » chieu sang, hieu quang, hieu van
trung cua » truong cua, trung cap, dung cua
sang than » cang thang, dang thanh, sang tao
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - thanh ((trung cua) OR (trung tuan)) thong thong sang than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - thanh ((trung cua) or (trung tuan)) thong thong sang than cap~".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (nhieu tang)) - thanh ((trung cua) or (trung tuan)) thong thong sang than cap*.