Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
te sach » toc sach
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
du gia » duc gia, dau gia, vu gia

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 ((y nang) OR (ky nang)) ma hoi. hieu ve cac du gia thanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ky nang)) ma hoi. hieu ve cac du gia thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ky nang)) ma hoi. hieu ve cac du gia thanh dai cua tre*.