Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tranh cua » doanh cua, manh cua
cong manh » cong danh, duong manh, hoang manh
chi sach » chinh sach, chieu sach, co sach
cua tong » cua cong, cua dong, cua nong
toan ban » van ban
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - canh tranh cua tong ((cong manh) OR (cong thanh)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - canh tranh cua tong ((cong manh) OR (cong thanh)) toan ban*".