Perhaps you should try some spelling variations:
nhanh trinh » hanh trinh, nhanh tinh, thanh trinh
hien sach » dien sach, kien sach, thien hach
trinh cua » tinh cua, trinh luat, trinh quan
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
gian man » gian dan, gian lan, gian van

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 - nhanh trinh cua dong cong dan gian man~.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - nhanh trinh cua dong cong dan gian man*.