Perhaps you should try some spelling variations:
ban hang » ngan hang
cham cuc » cham cuu, pham cuc, pham chuc
ve cham » va cham, ve chat, vu cham
lai hoi » dai hoi, lai roi, mai hoi
lai hoa » dai hoa, loai hoc
hieu ve » hieu va, hieu van
di cua » dai cua, doi cua, de cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 hoi) or (lai hoa)). hieu ve cham cuc ((ban hanh) OR (ban hang)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((lai hoi) OR (lai hoa)). hieu ve cham cuc ((ban hanh) OR (ban hang)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ((lai hoi) or (lai hoa)). hieu ve cham cuc ((ban hanh) OR (ban hang)) di cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((lai hoi) or (lai hoa)). hieu ve cham cuc ((ban hanh) OR (ban hang)) di cua te*.