Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dao » lanh dao, thanh dat, thanh dam
nam thuc » nam thuoc, am thuc, nam thu
lai hoi » dai hoi, lai hoa, lai roi
hieu ve » hieu va, hieu van
te sach » toc sach
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
dao cua » dai cua, day cua, dan cua
tu sach » thu sach, su sach, tu cach
y sang » _ sang, duy sang
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) y sang ((lai hoi) or (xa hoi)). hieu ve nam thuc va hanh dao cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y sang ((lai hoi) OR (xa hoi)). hieu ve nam thuc va hanh dao cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) y sang ((lai hoi) or (xa hoi)). hieu ve nam thuc va hanh dao cua triet*.