Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
vai cuu » vai cua
va danh » va dinh, va dan, va hanh
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
mang xa » lang xa, mang may, dang xay
cuu tre » cua tre, cau tren, cau treo
ang xa » lang xa, dang xay, hoang xa

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 thu ((ang xa) or (mang xa)) hoi. hieu van cau xuc ((va danh) or (ban hanh)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((ang xa) OR (mang xa)) hoi. hieu van cau xuc ((va danh) OR (ban hanh)) vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach thu ((ang xa) or (mang xa)) hoi. hieu van cau xuc ((va danh) or (ban hanh)) vai cuu tre*.