Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
su sach » so sach, vu sach
tai cuu » tai cuc, tai buu, tai cua
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
va cham » va chat, va tham
cuu tre » cua tre, cau tren, cau treo
tu xang » tu lang, tu quang, tct xang
ve cac » va cac, vien cac

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: su sach ((tu xang) OR (ty xang)) x ho. hieu ((ve cac) OR (va cham)) thuc va hanh tai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((tu xang) OR (ty xang)) x ho. hieu ((ve cac) or (va cham)) thuc va hanh tai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ((tu xang) OR (ty xang)) x ho. hieu ((ve cac) or (va cham)) thuc va hanh tai cuu tre*.