Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu 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: su sach y nang x hoi. hieu van cam xuc va hanh ((di cua) or (dai cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su 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: su sach y nang x hoi. hieu van cam xuc va hanh ((di cua) or (dai cua)) vat*.