Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh tang cua dung cong tan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - hanh tang cua dung cong tan chan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh tang cua dung cong tan chan ban*".