Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
thuong qua » thong qua, thuong quy, thuong quang
dung cong » dung trong
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
qua dung » quang dung, su dung, qua song
than cap » khan cap, thanh lap, thanh cac
hieu va » lieu va, hieu qua

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