Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
thong thi » thong thai, trong thi, thong tai
thi nhung » thi nang, thi hong, thi huong
tuong tac » cong tac, luong tai, tuong lai
tac dan » tac danh, cac dan, tac da

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 thi nhung tuong tac dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sang) OR (hieu lang)) - thanh thong thi nhung tuong tac dan ca.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sang) or (hieu lang)) - thanh thong thi nhung tuong tac dan ca*.