Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh lai » thanh hai, thanh lap, thanh loi
thu sach » tu sach, thuoc sach, thu hoach
va thanh » gia thanh, ban thanh, va tinh
lai cua » dai cua, hai cua, lai chau
cham lo » cham o, cham soc, cham hoi
may hoi » may thoi, tay hoi, mai hoi
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
cam lo » nam lo, cam ly, cam o
y mang » cay mang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (thuat sach)) y mang may hoi. hieu va ((cham lo) or (cam lo)) va thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) y mang may hoi. hieu va ((cham lo) OR (cam lo)) va thanh lai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuat sach)) y mang may hoi. hieu va ((cham lo) or (cam lo)) va thanh lai cua tre*".