Perhaps you should try some spelling variations:
su sach » vu sach
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
so sach » so sanh, bo sach, co sach
xang x » nang x
vi cuu » vi luu, vinh cuu
ve cam » ve cham, ve cac, va cam

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) or (so sach)) ty xang x ho. hieu ((ve cam) or (va cham)) thuc va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ty xang x ho. hieu ((ve cam) OR (va cham)) thuc va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ty xang x ho. hieu ((ve cam) or (va cham)) thuc va hanh vi cuu tre*.