Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sang » chieu sach, chieu xanh, nhieu tang
hung cuong » hung vuong, hong cuong, hung luong
hieu lang » hieu quang, nhieu tang, hieu van
cuong tap » luong tap, cong tac, luong tai
thong tu » phong tuc, thong tin, thong ke
tu hung » tu chung, tu nhung, tu vung
tap dan » tap doan, tap danh, tap van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sang) or (hieu lang)) - thanh thong tu hung cuong tap dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sang) OR (hieu lang)) - thanh thong tu hung cuong tap dan ca*.