Perhaps you should try some spelling variations:
tinh bai » tinh bac, tinh hai, hinh bai
mai khoi » mai khoa, tai khoa, cac khoi
vu sach » vu bach, su sach, vu khach
bai cua » ban cua, dai cua, bai ca
va tinh » may tinh
thuc va » thuc vat, thuc dan, thuc day
va nham » va cham, va tham, va kham
sach ty » sach y, sach tu, sach thu
mai hoi » dai hoi, lai hoi, mai doi
cua tre » cua te, cuu tre, cua triet
va nha » va nho, ve nha

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty xang ((mai hoi) OR (mai khoi)). hieu ((va nham) OR (va nha)) thuc va tinh bai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty xang ((mai hoi) OR (mai khoi)). hieu ((va nham) or (va nha)) thuc va tinh bai cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu sach ty xang ((mai hoi) OR (mai khoi)). hieu ((va nham) or (va nha)) thuc va tinh bai cua tre*.