Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doanh anh » doanh doanh, doanh thanh, doanh sang
giao tang » gia tang, giao thong, giao thanh
ho chieu » theo chieu, hoc thieu, mot chieu
anh giao » nang giao, minh giao, danh gia
cong dan » cong san, cong tan, cong dong
than man » than ma, thanh san, tran manh

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 - doanh anh giao tang ((cong dan) or (huong dan)) than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - doanh anh giao tang ((cong dan) OR (huong dan)) than man*.