Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
vien cua » viec cua, dien cua, tien cua
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
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cau
xuc va » duc va, tuc va, luc va
va cai » va cac, va bai, va dai

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 xa hoi. hieu ((((va cam) OR (va cai))) or (va cao)) xuc va thanh vien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang xa hoi. hieu ((((va cam) OR (va cai))) OR (va cao)) xuc va thanh vien cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky dang xa hoi. hieu ((((va cam) OR (va cai))) or (va cao)) xuc va thanh vien cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ky dang xa hoi. hieu ((((va cam) OR (va cai))) or (va cao)) xuc va thanh vien cua tre*.