Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
mang xa » lang xa, mang may, dang xay
nang ma » tang ma, sang ma, nang cao
cac thu » cach thuc, cac thoi
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
cua tre » cua te, cuu tre, cua triet
thu va » thuc va, thue va, tu va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((mang xa) or (nang ma)) hoi. lieu va cac thu va danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((mang xa) OR (nang ma)) hoi. lieu va cac thu va danh di cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach y ((mang xa) or (nang ma)) hoi. lieu va cac thu va danh di cua tre*.