Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
chat cua » nhat cua, chat va, chat huu
hieu ve » hieu va, hieu van
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ((ma hoi) or (xa hoi)). hieu ve ((cam xuc) or (chat cua)) ban doanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((ma hoi) OR (xa hoi)). hieu ve ((cam xuc) OR (chat cua)) ban doanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((ma hoi) or (xa hoi)). hieu ve ((cam xuc) or (chat cua)) ban doanh tai cua tre*.