Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
di cua » doi cua, de cua, do cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang x hoi. hieu van cam xuc va hanh ((di cua) OR (dai cua)) vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang x hoi. hieu van cam xuc va hanh ((di cua) OR (dai cua)) vat".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu van cam xuc va hanh ((di cua) OR (dai cua)) vat*.