Perhaps you should try some spelling variations:
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tinh » thanh binh, nhanh tinh, than kinh
hieu lang » hieu quang, nhieu tang, hieu van
tinh dung » trinh dung, tin dung, tinh quang
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (chieu sang)) - hanh thanh tinh dung cong dan than ban~.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (chieu sang)) - hanh thanh tinh dung cong dan than ban*.