Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thieu sang » chieu sang, thieu khang, thieu quang
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thuong va » truong va, thong va, thuong mai
cong van » cong vang, cong san, song van
van tay » van tai, van tan, van tam
tay cao » tao cao, tay co, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sang) or (chieu sach)) - thanh thuong va nhung cong van tay cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (chieu sach)) - thanh thuong va nhung cong van tay cao*.