Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
lo quang » lao quang, ly quang, do quang
le quang » vu quang
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
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 ((lo quang) or (le quang)) xa hoi. hieu va cac xuc va danh vi ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((lo quang) OR (le quang)) xa hoi. hieu va cac xuc va danh vi ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((lo quang) or (le quang)) xa hoi. hieu va cac xuc va danh vi ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((lo quang) or (le quang)) xa hoi. hieu va cac xuc va danh vi ((cua triet) OR (cua viet))*.