Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
nang xa » lang xa, nang ma, mang xa
van hau » van ha, van hai, van dau
van lam » van nam
xuc ban » duc ban, cuc ban, quoc ban
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai 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 sac ky ((nang xa) or (nang x)) hoi. hieu ((van hau) or (van lam)) xuc ban hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (nang x)) hoi. hieu ((van hau) OR (van lam)) xuc ban hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (nang x)) hoi. hieu ((van hau) or (van lam)) xuc ban hanh vi cua triet*.