Perhaps you should try some spelling variations:
sach tay » xach tay, sach hay, sach tai
ban tinh » ban thanh, quan tinh, ban hanh
sach nay » sach hay, sach vay, sach nang
tinh va » tich va, trinh van, trinh vat
cam cuc » cam xuc, cham cuu, pham cuc
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
va cuu » va cau, va chu, va huu

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 tay) OR (sach nay)) tang xa hoi. hieu ve ((cam cuc) or (cap cuu)) ban tinh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tay) OR (sach nay)) tang xa hoi. hieu ve ((cam cuc) OR (cap cuu)) ban tinh va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tay) OR (sach nay)) tang xa hoi. hieu ve ((cam cuc) or (cap cuu)) ban tinh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tay) OR (sach nay)) tang xa hoi. hieu ve ((cam cuc) or (cap cuu)) ban tinh va cuu tre*.