Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thanh trang » thanh trung, hanh trang, thanh tran
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
va duong » van duong, va tuong, va huong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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

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