Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh ve » hanh ve, thanh va, thanh vien
thanh vi » hanh vi, thanh va, nhanh vi
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ma hoi » mai hoi, ma hoa, me hoi
ve cam » ve cham, ve cac, va cam

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: tu sach ky nang ((ma hoi) OR (xa hoi)). hieu ve cam xuc van ((thanh vi) OR (thanh ve)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((ma hoi) or (xa hoi)). hieu ve cam xuc van ((thanh vi) OR (thanh ve)) cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((ma hoi) or (xa hoi)). hieu ve cam xuc van ((thanh vi) OR (thanh ve)) cua triet*.