Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, duc man
dua ban » dia ban, cua ban, qua ban
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
anh de » hanh de, anh d, anh ve
de cua » le cua, te cua, dieu 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 ve cam ((xuc ban) or (((duc ban) or (dua ban)))) anh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. hieu ve cam ((xuc ban) OR (((duc ban) OR (dua ban)))) anh de cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu ve cam ((xuc ban) or (((duc ban) or (dua ban)))) anh de cua tre*.