Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
anh than » anh thanh, anh tuan, anh nhan
than cua » nhan cua, thai cua, ban cua
su sach » so sach, vu sach
van bac » van ban, van bao, van hac
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
ang xa » lang xa, mang xa, dang xay

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 y ((ang xa) or (mang may)) hoi. hieu van bac ((xuc van) OR (duc van)) anh than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((ang xa) OR (mang may)) hoi. hieu van bac ((xuc van) OR (duc van)) anh than cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((ang xa) or (mang may)) hoi. hieu van bac ((xuc van) OR (duc van)) anh than cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach y ((ang xa) or (mang may)) hoi. hieu van bac ((xuc van) OR (duc van)) anh than cua tre*.