Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
doanh nang » doanh sang, doanh nhung, doanh quang
hoc thieu » toc thieu, hoc hien
nang giao » nang cao
giao tang » gia tang, giao thong, giao thanh
cong dan » cong san, cong tan, cong dong
than man » than ma, thanh san, tran manh

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 - doanh nang giao tang ((cong dan) or (huong dan)) than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - doanh nang giao tang ((cong dan) OR (huong dan)) than man*.