Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh vai » thanh hai, thanh van, thanh tai
toc sach » hoc sach, doc sach, thuoc sach
nang van » dang van, tang van, lang van
duc danh » duc anh, duc manh, duc hanh
su sach » so sach, vu sach
hoc anh » hoc nganh, hoc nhanh, ngoc anh
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

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