Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thanh vai » thanh hai, thanh van, thanh tai
toc sach » hoc sach, doc sach, thuoc sach
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
me hoi » le hoi

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) or (toc sach)) ky nang ((me hoi) or (ma hoa)). hieu ve pham duc tan thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang ((me hoi) OR (ma hoa)). hieu ve pham duc tan thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky nang ((me hoi) or (ma hoa)). hieu ve pham duc tan thanh vai cua tre*.