Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
toc sach » hoc sach, doc sach, thuoc sach
nang tai » hang tai, tang tai, sang tai
va thanh » gia thanh, ban thanh, va tinh
tai hoi » tai khoi, dai hoi, tai hai
hieu ve » hieu va, hieu van
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
cac tu » cac thu, cach tu, cac du

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) OR (toc sach)) y nang tai hoi. hieu ve cac tu va thanh tai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) y nang tai hoi. hieu ve cac tu va thanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) y nang tai hoi. hieu ve cac tu va thanh tai cuu tre*.