Perhaps you should try some spelling variations:
chat duc » chat xuc, chat doc, chet duoc
ban hanh » ban hang
lai roi » lai hoi
loi roi » loi noi, voi roi, loi gioi
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
duc ban » duc tan, duc van, dua ban
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
cua te » cua tu

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 ((lai roi) or (loi roi)). hieu ve chat duc ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((lai roi) OR (loi roi)). hieu ve chat duc ban hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((lai roi) or (loi roi)). hieu ve chat duc ban hanh vi cua te*.