Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, thuc van
xuc ban » duc ban, cuc ban, quoc ban
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
vi cua » di 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: thu sach y nang x hoi. hieu ve cam ((xuc van) or (xuc ban)) hanh ((vi cua) or (vai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ve cam ((xuc van) OR (xuc ban)) hanh ((vi cua) OR (vai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ve cam ((xuc van) or (xuc ban)) hanh ((vi cua) or (vai cua)) triet*.