Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cuc ban » cua ban, cac ban, cuu ban
tu nang » tru nang, tu nong, tu nano
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
xuc ban » duc ban, quoc ban, xuat ban
sach tu » sach thu, cach tu, sach ty
hanh d » hanh de, anh d, hanh _
cua su » qua su
ve cam » ve cham, ve cac, va cam
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 tu nang x hoi. hieu ve cam ((xuc ban) OR (cuc ban)) hanh d ((cua tre) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang x hoi. hieu ve cam ((xuc ban) OR (cuc ban)) hanh d ((cua tre) OR (cua su))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tu nang x hoi. hieu ve cam ((xuc ban) OR (cuc ban)) hanh d ((cua tre) or (cua su))*".