Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, hieu ve
thuoc va » thuc va, thuoc ma, thuong va
hanh dai » hanh tai, hanh dao, vanh dai
te sach » toc sach
xay hoi » xa hoi, tay hoi, cay phoi
va hanh » van hanh, va thanh, va danh

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 _ van xay hoi. ((hieu van) OR (lieu va)) lam thuoc va hanh dai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach _ van xay hoi. ((hieu van) OR (lieu va)) lam thuoc va hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach _ van xay hoi. ((hieu van) OR (lieu va)) lam thuoc va hanh dai cua triet*.