Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tuan » trung thanh, trung tam, tran tuan
hieu lang » hieu quang, nhieu tang, hieu van
thuong va » truong va, thong va, thuong mai
than cap » khan cap, thanh lap, thanh cac
va than » va thanh, van than, va phan

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 (truong thanh)) hang thuong va than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - thanh ((trung tuan) OR (truong thanh)) hang thuong va than cap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (hieu lang)) - thanh ((trung tuan) or (truong thanh)) hang thuong va than cap*.