Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
va thanh » gia thanh, ban thanh, va tinh
nang doc » nang luc
tu sach » thu sach, su sach, te sach
va chat » van chat, va phat, cao chat
lap cua » lai cua, tap cua, lam cua
va cham » va tham
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang noi, nang hoc
cua tre » cua te, cuu tre, cua triet
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 co) or (nang doc)) hoi. thien ((va cham) OR (va chat)) xuc va thanh lap cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang co) OR (nang doc)) hoi. thien ((va cham) OR (va chat)) xuc va thanh lap cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang co) or (nang doc)) hoi. thien ((va cham) OR (va chat)) xuc va thanh lap cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang co) or (nang doc)) hoi. thien ((va cham) OR (va chat)) xuc va thanh lap cua tre*.