Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
tu sach » thu sach, su sach, te sach
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
bo van » vo van, so van, do van
anh va » hanh va
va cua » va chua, via cua, ca cua
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (nguoi sach)) ky lang xa hoi. hieu ((ve cac) or (vien bach)) bo van anh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (nguoi sach)) ky lang xa hoi. hieu ((ve cac) OR (vien bach)) bo van anh va cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (nguoi sach)) ky lang xa hoi. hieu ((ve cac) or (vien bach)) bo van anh va cua tre*.