Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
mai khoi » mai khoa, tai khoa, cac khoi
te sach » toc sach
tai cuu » tai cuc, tai buu, tai cua
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
ky dang » ky danh
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

You may be able to get more results by adjusting your search query.

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