Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh hai » thanh phan, thanh hoa, thanh san
dua tren » dung tren
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
xay hoi » xa hoi, tay hoi, cay phoi
anh xay » manh xay, anh hay, nganh xay
cuu tre » cua tre, cau tren, cau treo
ve cam » ve cac, va cam, ve cai
ky anh » ky danh, ly anh, ty anh

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 ky anh xay hoi. hieu ((ve cam) OR (ve cham)) xuc ban thanh hai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky anh xay hoi. hieu ((ve cam) OR (ve cham)) xuc ban thanh hai ((dua tren) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky anh xay hoi. hieu ((ve cam) OR (ve cham)) xuc ban thanh hai ((dua tren) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: su sach ky anh xay hoi. hieu ((ve cam) OR (ve cham)) xuc ban thanh hai ((dua tren) or (cuu tre))*.