Perhaps you should try some spelling variations:
ban hanh » ban hang
chat cuc » chat cua, chat xuc, chi cuc
hieu va » lieu va, hieu qua
cuc ban » cua ban, cac ban, cuu ban
ky dang » ky nang, ky danh
mai hoi » mai khoi, dai hoi, mai doi
va chat » van chat, va phat, cao chat
lai hoi » dai hoi, lai hoa, lai roi
tu sac » tu sach, tu cac, tu bac
vi cua » vai cua, di cua
cua te » cua tu
tu san » thu san, tu ban, tu can

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) or (tu san)) ky dang ((mai hoi) OR (lai hoi)). hieu va chat cuc ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky dang ((mai hoi) OR (lai hoi)). hieu va chat cuc ban hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu san)) ky dang ((mai hoi) OR (lai hoi)). hieu va chat cuc ban hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky dang ((mai hoi) OR (lai hoi)). hieu va chat cuc ban hanh vi cua te*.