Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hanh tranh » canh tranh, hanh trinh, hanh trang
cho chinh » chon chinh, che chinh, cuoc chinh
tranh cua » doanh cua, manh cua
ho chinh » hoc chinh, hoa chinh, do chinh
cong tan » cong tac, cong san, 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: ((ho chinh) or (cho chinh)) sach - hanh tranh cua cong ((cong tan) or (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chinh) OR (cho chinh)) sach - hanh tranh cua cong ((cong tan) OR (cong thanh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chinh) or (cho chinh)) sach - hanh tranh cua cong ((cong tan) or (cong thanh)) toan ban*.