Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
ban hang » ngan hang
ky mang » ky nang, ke mang, ky dang
may hoi » may thoi, tay hoi, mai hoi
hieu va » lieu va, hieu qua
va nham » va cham, va tham, va nha
hai cua » thai cua, dai cua, hoi cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky

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 mang may hoi. hieu va nham thuc ((ban hanh) or (ban hang)) hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky mang may hoi. hieu va nham thuc ((ban hanh) OR (ban hang)) hai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky mang may hoi. hieu va nham thuc ((ban hanh) or (ban hang)) hai cua triet*.