Perhaps you should try some spelling variations:
hien sach » dien sach, kien sach, thien hach
thanh tra » thanh toan, thanh hoa
xuan hung » xuan huong, xuan chung, tuan hung
luan hung » luan chung, lan hung, luan ung
cong dan » cong san, cong tan, huong dan
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: hoc hien sach - thanh tra ((xuan hung) or (luan hung)) cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh tra ((xuan hung) OR (luan hung)) cong dan than cap*.