Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
cay phoi » cap phoi, tay hoi, cay cho
va cham » va chat, va tham
xay hoi » xa hoi, tay hoi, gay thoi
duc ban » duc tan, duc van, dua ban
vi cua » vai cua, di cua
cua te » cua tu
y dang » ky dang, 2 dang, _ dang
va cam » 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: thuat sach y dang ((xay hoi) or (cay phoi)). lieu ((va cam) or (va cham)) duc ban thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y dang ((xay hoi) OR (cay phoi)). lieu ((va cam) OR (va cham)) duc ban thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach y dang ((xay hoi) or (cay phoi)). lieu ((va cam) or (va cham)) duc ban thanh vi cua te*.