Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
va chua » vua chua, ca chua, va chu
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
va cua » via cua, ca cua, ma 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: ((so sach) OR (vu sach)) ky nang xa hoi. lieu va cam xuc va thanh ((va cua) OR (va chua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (vu sach)) ky nang xa hoi. lieu va cam xuc va thanh ((va cua) OR (va chua)) te~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (vu sach)) ky nang xa hoi. lieu va cam xuc va thanh ((va cua) OR (va chua)) te*.