Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lai » thanh hai, thanh lap, thanh loi
dang mat » dang vat, dang mau, dung mat
hieu van » hieu va, thien van, lieu va
tu cach » tu cac
te sach » toc sach
ky dang » ky nang, ky danh
mat hoa » ma hoa, mai hoa, chat hoa
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
van ca » van cau, van cua, dan ca
ca cua » co 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 cach) or (te sach)) ky dang mat hoa. hieu van ca cua ban thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky dang mat hoa. hieu van ca cua ban thanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky dang mat hoa. hieu van ca cua ban thanh lai cua tre*.