Perhaps you should try some spelling variations:
thanh binh » thai binh, than kinh, tinh binh
thanh sinh » thanh tinh, thanh vinh, thanh kinh
dang xay » dang van, van xay
vu sach » vu bach, su sach, vu khach
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
xuc va » duc va, tuc va, luc va
va cao » va co, va dao, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky dang xay hoi. hieu ((va cac) or (va cao)) xuc va ((thanh sinh) or (thanh binh)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang xay hoi. hieu ((va cac) OR (va cao)) xuc va ((thanh sinh) OR (thanh binh)) cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ky dang xay hoi. hieu ((va cac) or (va cao)) xuc va ((thanh sinh) or (thanh binh)) cua tre*.