Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tran » thanh trang, thanh toan, thanh tra
quan nhung » qua nhung, cua nhung, luan chung
hoc thieu » toc thieu, hoc hien
tran quan » tran quang, tran xuan, tran tuan
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 tran quan nhung ((cong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh tran quan nhung ((cong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tran quan nhung ((cong dan) or (huong dan)) toan cao*.