Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ty nang » ky nang, ty hang, ly nang
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty nang) OR (ty xang)) xa hoi. ((hieu ve) or (hieu qua)) cam luc va danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty xang)) xa hoi. ((hieu ve) OR (hieu qua)) cam luc va danh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ty xang)) xa hoi. ((hieu ve) or (hieu qua)) cam luc va danh vi cua triet*".