Perhaps you should try some spelling variations:
cua triet » su triet, va triet
doanh van » doan van, doanh va, doanh ban
day doanh » vay doanh, dao doanh, day danh
cua viet » ca viet, hoa viet, cua vat
thuc day » thuc dan, thuc vat
thu san » thuy san, phu san, thuat san
nang co » nang cao, nang doc, nang noi
thu ban » thu hang
hieu va » lieu va, hieu qua
co hoi » co hoc, co loi
va am » va lam, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu san) OR (thu ban)) ky nang co hoi. hieu va am thuc day doanh van ((cua triet) OR (cua viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu san) OR (thu ban)) ky nang co hoi. hieu va am thuc day doanh van ((cua triet) or (cua viet))~".
• Adding a wildcard symbol may retrieve word variants: ((thu san) OR (thu ban)) ky nang co hoi. hieu va am thuc day doanh van ((cua triet) or (cua viet))*.