Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thieu sang » chieu sang, thieu khang, thieu quang
thuong dai » thuong mai, truong dai, thuong dam
hoc thieu » toc thieu, hoc hien
dai hoang » dai khoang, dai hong, mai hoang
cong dan » cong san, cong tan, cong dong
toan cao » toan ban, toan tap

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 - thanh thuong dai hoang ((cong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh thuong dai hoang ((cong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh thuong dai hoang ((cong dan) or (huong dan)) toan cao*.