Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va phuong, he thong, va thanh
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac
va cong » tai cong, cua cong

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 - thanh tung ((((va thong) or (va cong))) or (va thuong)) cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung ((((va thong) OR (va cong))) OR (va thuong)) cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung ((((va thong) or (va cong))) or (va thuong)) cong tan than cap*.