Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, nhieu tang
cap thuong » chap thuong, ca thuong, cao thuong
hieu lang » hieu quang, nhieu tang, hieu van
thong cap » thong cac, trung cap, thong cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 sang) or (hieu lang)) - thanh thong cap thuong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh thong cap thuong cong dan than cap*.