Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
thuc ban » thuoc ban, thuc dan, thu ban
ban hanh » ban hang
tu sanh » tu hanh, tu manh, tu anh
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
hanh ca » hanh cac, hanh cat, hanh cua
tu san » thu san, tu ban, tu can
ca cua » co cua

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