Perhaps you should try some spelling variations:
thanh vang » thanh van, thanh hang, thanh hoang
ban thanh » ban hanh, ban hang
vang cua » mang cua, hang cua, tang cua
tu sach » thu sach, su sach, te sach
van lam » van nam
qua ban » cua ban, qua quan
van cam » van nam, van cau, van dam
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
cua tre » cua te, cuu tre, cua triet

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 sang) or (ky tang)) ma hoa. hieu ((van cam) OR (van lam)) qua ban thanh vang cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky tang)) ma hoa. hieu ((van cam) OR (van lam)) qua ban thanh vang cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) or (ky tang)) ma hoa. hieu ((van cam) OR (van lam)) qua ban thanh vang cua tre*".