Perhaps you should try some spelling variations:
tham xuc » tham nuoc, tham thuc, pham duc
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
anh dai » vanh dai, anh bai, anh dat
ban anh » ban hanh, ban banh, ban danh
xuc ban » duc ban, cuc ban, quoc ban
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
nang co » nang cao, nang doc, nang noi
cuu tre » cau tren, cau treo
nang o » nang ho, nang ro, nang x

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 y ((nang o) or (nang co)) hai. hieu va tham xuc ban anh dai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang o) OR (nang co)) hai. hieu va tham xuc ban anh dai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((nang o) or (nang co)) hai. hieu va tham xuc ban anh dai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang o) or (nang co)) hai. hieu va tham xuc ban anh dai ((cua tre) OR (cuu tre))*.