Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
va chat » van chat, va phat, cao chat
vai cuu » vai cua
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
va cam » va cham, va cac, va cai
xang x » nang x
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty xang x ho. hieu ((((va cam) OR (va cao))) or (va chat)) thuc va hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang x ho. hieu ((((va cam) OR (va cao))) OR (va chat)) thuc va hanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty xang x ho. hieu ((((va cam) OR (va cao))) or (va chat)) thuc va hanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ty xang x ho. hieu ((((va cam) OR (va cao))) or (va chat)) thuc va hanh vai cuu tre*.