Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hien sach » dien sach, kien sach, thien hach
tranh cua » doanh cua, manh cua
cua tong » cua cong, cua dong, cua nong
cong dan » cong tan, huong dan, cong dong
cong tac » cong ty
toan ban » van ban

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 - hanh tranh cua tong ((cong dan) or (((cong san) or (cong tac)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh tranh cua tong ((cong dan) OR (((cong san) OR (cong tac)))) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh tranh cua tong ((cong dan) or (((cong san) or (cong tac)))) toan ban*.