Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
tai cua » thai cua, tai cuc, tri cua
cam luc » cau luc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
ky dang » ky danh
ma hoi » mai hoi, xa hoi, ma hoa

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. hieu ve ((cam luc) OR (cam xuc)) va 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. hieu ve ((cam luc) OR (cam xuc)) va 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. hieu ve ((cam luc) OR (cam xuc)) va thanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) or (ky nang)) ma hoi. hieu ve ((cam luc) OR (cam xuc)) va thanh tai cua tre*.