Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
thuc ban » thuoc ban, thuc dan, thu ban
ban hanh » ban hang
may hoi » may thoi, tay hoi, mai hoi
hieu va » lieu va, hieu qua
va nham » va cham, va tham, va nha
sac ky » cac ky
vi cua » vai cua, di 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 ((sai ky) OR (sac ky)) mang may hoi. hieu va nham thuc ban hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sai ky) OR (sac ky)) mang may hoi. hieu va nham thuc ban hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sai ky) OR (sac ky)) mang may hoi. hieu va nham thuc ban hanh vi cua triet*.