Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
cao thuc » cao thuoc, bao thuc, can thuc
hanh dai » hanh tai, hanh dao, vanh dai
ban hanh » ban hang
thuc ban » thuoc ban, thuc dan, thu ban
te sach » toc sach
tu nong » tu dong, tu cong, tu tong
tu nang » tru nang, tu nano, tu lang
qua cao » qua cac, qua ca, qua cai

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

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