Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((y nang) or (van ban)) x ho. hieu ((van cam) or (van cau)) xuc va hanh di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((y nang) OR (van ban)) x ho. hieu ((van cam) OR (van cau)) xuc va hanh di cua vat.
• Adding a wildcard symbol may retrieve word variants: so sach ((y nang) or (van ban)) x ho. hieu ((van cam) or (van cau)) xuc va hanh di cua vat*.