Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien sach » kien sach, thien hach, chieu sach
dien sach » dien anh
doanh cua » doanh luan
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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) or (dien sach)) - canh doanh cua tong cong dan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (dien sach)) - canh doanh cua tong cong dan thai cao*.