Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
cong lang » cong vang, cong luong, cong quang
chi sach » chinh sach, chieu sach, moi sach
trang va » tran van, hang va
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
co sach » bo sach, cuon sach, hoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) OR (co sach)) - thanh trang va nhung ((cong lang) or (cong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (co sach)) - thanh trang va nhung ((cong lang) OR (cong san)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi sach) OR (co sach)) - thanh trang va nhung ((cong lang) or (cong san)) than cap".
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) OR (co sach)) - thanh trang va nhung ((cong lang) or (cong san)) than cap*.