Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
ty lang » tay lang, ty hang, tu lang
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va

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 ((ty lang) OR (ty xang)) xa hoi. hieu va cac xuc va hanh vi ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty lang) OR (ty xang)) xa hoi. hieu va cac xuc va hanh vi ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty lang) OR (ty xang)) xa hoi. hieu va cac xuc va hanh vi ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty lang) OR (ty xang)) xa hoi. hieu va cac xuc va hanh vi ((cua triet) or (cua viet))*.