Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thien van » thi van
thanh vi » hanh vi, thanh va, thanh ve
sach ky » sac ky, sach y, sach kem
xuc ban » duc ban, cuc ban, quoc ban
lam xuc » cam xuc, lam duoc
van lam » van nam
cua tre » cua te, cuu tre, cua triet
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
sach ty » sach y, sach tu, sach thu
vi cua » vai cua, di cua

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 ky) OR (sach ty)) ((nang ma) or (sang ma)) hoi. thien van lam xuc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) ((nang ma) OR (sang ma)) hoi. thien van lam xuc ban thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) ((nang ma) or (sang ma)) hoi. thien van lam xuc ban thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) ((nang ma) or (sang ma)) hoi. thien van lam xuc ban thanh vi cua tre*.