Perhaps you should try some spelling variations:
cach manh » cach mang, cach nhanh, sach danh
dong cong » duong cong, dung cong, dang cong
ho trieu » mot trieu, 25 trieu, 30 trieu
manh cua » doanh cua, ban cua
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
phan dau » hang dau
nhan dan » gian dan, nhan tai
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - cach manh cua dong cong tan ((((phan dau) OR (phan tu))) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - cach manh cua dong cong tan ((((phan dau) OR (phan tu))) OR (nhan dan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - cach manh cua dong cong tan ((((phan dau) OR (phan tu))) or (nhan dan))".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - cach manh cua dong cong tan ((((phan dau) OR (phan tu))) or (nhan dan))*.