Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
danh lai » danh sai, gianh lai, dinh lam
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
lai cua » dai cua, hai cua, lai chau
so sach » so sanh, bo sach, co sach
me hoi » le hoi
y nang » ky nang, ly nang, v nang
ve nam » he nam, va nam, le nam
ma hoi » mai hoi, xa hoi, va hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang ((((ma hoi) OR (me hoi))) or (ma hoa)). hieu ve nam thuc va danh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ((((ma hoi) OR (me hoi))) OR (ma hoa)). hieu ve nam thuc va danh lai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang ((((ma hoi) OR (me hoi))) or (ma hoa)). hieu ve nam thuc va danh lai cua triet*".