Perhaps you should try some spelling variations:
ban hang » ngan hang
hieu van » hieu va, thien van, lieu va
ky tang » ky nang, kho tang, ky trong
ky dang » ky nang, ky danh
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va
hang vi » hang va, hanh vi, hang di
tu san » thu san, tu ban, tu can
vi cua » vai cua, di cua
cua te » cua tu
xu ban » xuc ban, tu ban, vu ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ((ky tang) or (ky dang)) mai hoi. ((hieu ve) or (hieu van)) chao xu ban hang vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((ky tang) OR (ky dang)) mai hoi. ((hieu ve) OR (hieu van)) chao xu ban hang vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu san ((ky tang) or (ky dang)) mai hoi. ((hieu ve) or (hieu van)) chao xu ban hang vi cua te*.