Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
van cau » van dau, van hau, van chat
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
va cuu » va chu, va huu
va cau » va cac, va dau, va cao
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 va hanh ((va cuu) or (((va cau) or (van cau)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ve cam xuc va hanh ((va cuu) OR (((va cau) OR (van cau)))) tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ve cam xuc va hanh ((va cuu) or (((va cau) or (van cau)))) tre*.