Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
canh trang » canh tranh, hanh trang, banh trang
hoc thieu » toc thieu, hoc hien
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
va dung » va duong, vat dung, va ung

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 - canh trang ((va dung) OR (van dung)) cong dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - canh trang ((va dung) OR (van dung)) cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh trang ((va dung) OR (van dung)) cong dan than ban*.