Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
danh sam » danh nam, danh sai, thanh sam
vien cac » vien bach, vien dai, vien da
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, va cam, ve cai
xuc va » duc va, tuc va, luc va
sam va » nam va, dam va, am va
ve cac » va cac
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu ((((ve cam) OR (ve cac))) OR (vien cac)) xuc va danh sam va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x hoi. hieu ((((ve cam) OR (ve cac))) or (vien cac)) xuc va danh sam va triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu ((((ve cam) OR (ve cac))) or (vien cac)) xuc va danh sam va triet*.