Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cham duc » pham duc, cham soc, pham duy
va thanh » gia thanh, ban thanh, va tinh
sach ly » sach lo, sach ty, sach hay
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
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: te ((sach ly) or (sach y)) hang ((xa hoi) or (ma hoa)). hieu vu cham duc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ly) OR (sach y)) hang ((xa hoi) OR (ma hoa)). hieu vu cham duc va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ly) or (sach y)) hang ((xa hoi) or (ma hoa)). hieu vu cham duc va thanh vai cua tre*.