Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thong dan » thong van, tuong dan, thong den
ho chieu » theo chieu, hoc thieu, doi chieu
cua nong » cua cong, cuu nong, cua song
cua dong » chua dong, cua cong, cua dang
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 trung) or (thanh tung)) ((cua nong) OR (cua dong)) thong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh trung) OR (thanh tung)) ((cua nong) OR (cua dong)) thong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((thanh trung) or (thanh tung)) ((cua nong) OR (cua dong)) thong dan than cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trung) or (thanh tung)) ((cua nong) OR (cua dong)) thong dan than cap*.