Perhaps you should try some spelling variations:
ban hanh » ban hang
su sach » vu sach
hai chi » thai chi, tai chi, hai thi
hai chu » hai chau, hoi chu, hai phu
xuc ban » duc ban, cuc ban, quoc ban
hieu va » lieu va, hieu qua
van hoi » van hoa, van hoc, van hoe
ky dinh » ky sinh, ky danh, ky kinh
so sach » so sanh, bo sach, co sach
va cam » va cham, va cac, va cao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky dinh van hoi. hieu va cam xuc ban hanh ((hai chu) OR (hai chi)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky dinh van hoi. hieu va cam xuc ban hanh ((hai chu) OR (hai chi)) tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky dinh van hoi. hieu va cam xuc ban hanh ((hai chu) OR (hai chi)) tre*.