Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
ty nang » ky nang, ty hang, ly nang
hieu vu » hieu va, hieu su, dieu vu
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
ve cua » le cua, de cua, te cua

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

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