Perhaps you should try some spelling variations:
thanh sinh » thanh binh, thanh tinh, thanh vinh
sinh cua » manh cua, dinh cuu, sinh va
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
va cao » va cac, va co, va dao
xuc va » duc va, tuc va, luc va
va cam » va cham, va cac, 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: vu sach ky ((nang xa) OR (nang ma)) hoi. hieu ((va cam) or (va cao)) xuc va thanh sinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((nang xa) OR (nang ma)) hoi. hieu ((va cam) OR (va cao)) xuc va thanh sinh cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky ((nang xa) OR (nang ma)) hoi. hieu ((va cam) or (va cao)) xuc va thanh sinh cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((nang xa) OR (nang ma)) hoi. hieu ((va cam) or (va cao)) xuc va thanh sinh cua tre*.