Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
thanh va » thanh van, hanh va, thanh ha
ky dang » ky nang, ky danh
xay hoi » tay hoi, cay phoi, gay thoi
xuc ban » duc ban, cuc ban, quoc ban
ca tren » cau tren, cu tren, la tren
y dang » 2 dang, _ dang, b dang
va cam » va cham, va cac, va cao
va ca » va cac, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((y dang) or (ky dang)) ((xay hoi) OR (xa hoi)). lieu va cam xuc ban thanh va ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y dang) OR (ky dang)) ((xay hoi) OR (xa hoi)). lieu va cam xuc ban thanh va ca tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((y dang) or (ky dang)) ((xay hoi) OR (xa hoi)). lieu va cam xuc ban thanh va ca tren".
• Adding a wildcard symbol may retrieve word variants: thu sach ((y dang) or (ky dang)) ((xay hoi) OR (xa hoi)). lieu va cam xuc ban thanh va ca tren*.