Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
te sach » toc sach
ky dang » ky danh
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
tuc gia » tac gia, duc gia, toc gia
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi
ve cac » va cac, vien cac

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 ((ky dang) OR (ky nang)) ((ma hoi) or (xa hoi)). hieu ve cac tuc gia thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky dang) OR (ky nang)) ((ma hoi) OR (xa hoi)). hieu ve cac tuc gia thanh tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky dang) OR (ky nang)) ((ma hoi) or (xa hoi)). hieu ve cac tuc gia thanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) OR (ky nang)) ((ma hoi) or (xa hoi)). hieu ve cac tuc gia thanh tai cua tre*.