Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, hieu van
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 (((nhieu tang) or (hieu lang)))) - canh tranh cua nhung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((nhieu tang) OR (hieu lang)))) - canh tranh cua nhung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((nhieu tang) or (hieu lang)))) - canh tranh cua nhung cong dan than tap*.