Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
te sach » toc sach
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky sang ma hoi. ((hieu ve) OR (hieu va)) cam duc ban thanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang ma hoi. ((hieu ve) OR (hieu va)) cam duc ban thanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky sang ma hoi. ((hieu ve) OR (hieu va)) cam duc ban thanh lai cua tre*.