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
ha nhung » hoa nhung, hay nhung, pha nhung
cong dan » cong san, cong tan, cong dong
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao
tung ha » trung ha, dung ha, tung ho

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