Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
chu bang » thu bang, chuc nang, chu quang
thu hang » thi hang, thuc hanh, thu huong
pham duy » pham duc
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
hieu vu » hieu va, hieu ve, hieu su
vu pham » su pham, vi pham, vu kham
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
duy va » duy vat, duy van, day va

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 ((chu bang) or (thu hang)) ma hoa. hieu vu pham duy va thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((chu bang) OR (thu hang)) ma hoa. hieu vu pham duy va thanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((chu bang) or (thu hang)) ma hoa. hieu vu pham duy va thanh lai cua tre*.