Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
hien sach » dien sach, kien sach, thien hach
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
than man » than ma, thanh san, tran manh
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 nhung cong dan ((than man) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh tranh cua nhung cong dan ((than man) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh tranh cua nhung cong dan ((than man) or (toan ban))*.