Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tinh » thanh binh, nhanh tinh, than kinh
hoc thieu » toc thieu, hoc hien
dang cong » dung cong
tinh cao » tinh lao, tinh chat, tinh cach
cong dan » cong san, cong tan, huong dan
van bang » van nang, von bang, van hang

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 tinh cao dang cong dan ((van ban) or (van bang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh tinh cao dang cong dan ((van ban) OR (van bang)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tinh cao dang cong dan ((van ban) or (van bang))*.