Perhaps you should try some spelling variations:
minh hanh » minh thanh, minh chanh, minh danh
qua cham » qua hai, qua cac, va cham
cham duc » pham duc, cham soc, pham duy
duc minh » duc anh
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
vai cua » dai cua, hai cua, lai cua
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: ((su sach) or (vu bach)) ky ((nang xa) or (lang xa)) hoi. hieu qua cham duc minh hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu bach)) ky ((nang xa) OR (lang xa)) hoi. hieu qua cham duc minh hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu bach)) ky ((nang xa) or (lang xa)) hoi. hieu qua cham duc minh hanh vai cua tre*.