Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - ((hanh trang) or (hanh trinh)) cua dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh trang) OR (hanh trinh)) cua dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh trang) or (hanh trinh)) cua dung cong dan than cau*.