Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
thanh dat » thanh san, thanh hai, thanh van
nang tai » hang tai, sang tai, nang cao
tang tai » hang tai, dung tai, sang tao
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky ((nang tai) OR (tang tai)) hoi. lieu va cam xuc va ((thanh tai) or (thanh dat)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang tai) OR (tang tai)) hoi. lieu va cam xuc va ((thanh tai) OR (thanh dat)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang tai) OR (tang tai)) hoi. lieu va cam xuc va ((thanh tai) or (thanh dat)) cua tre*".