Perhaps you should try some spelling variations:
xang van » dang van, tang van, lang van
hanh dai » hanh tai, hanh dao, vanh dai
su triet » su viet, su tien, ve triet
so sanh » do sanh
sanh ty » sach ty, canh tay
van hoc » van hoa
hieu va » hieu qua
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
dai su » dai sua, dai so, dan su

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty xang van hoc. ((hieu va) OR (lieu va)) cam duc va hanh dai su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ty xang van hoc. ((hieu va) OR (lieu va)) cam duc va hanh dai su triet".
• Adding a wildcard symbol may retrieve word variants: so sanh ty xang van hoc. ((hieu va) OR (lieu va)) cam duc va hanh dai su triet*.