Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van nhan » van phan, van thanh, danh nhan
nhan luc » nang luc
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
va nang » van nang, da nang, cam nang
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
v nang » vu nang, van nang, voi nang
luc va » duc va, tuc va, loc va

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 ((v nang) OR (va nang)) xa hoi. hieu van nhan luc va hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((v nang) OR (va nang)) xa hoi. hieu van nhan luc va hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((v nang) OR (va nang)) xa hoi. hieu van nhan luc va hanh vai cua tre*.