Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
chieu sach » chinh sach, chieu sang, chieu xanh
trang van » tran van, trang va, trong van
van khang » van khanh, van thanh, van quang
cong doan » cong dan, dong doanh, cong san
cong hoan » cong hoa, dong hoa, cong san

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

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