Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
thanh dat » thanh san, thanh hai, thanh van
mai khoi » mai khoa, tai khoa, cac khoi
mai hoi » dai hoi, lai hoi, mai doi
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
duc ban » duc tan, duc van, dua ban
ky tang » ky nang, ky dang, kho tang
dat cua » dai cua, day cua, mat cua
ma hoi » xa hoi, ma hoa, me hoi
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
su sac » su sach, su cac, su xac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky tang ((ma hoi) or (((mai hoi) or (mai khoi)))). hieu ve cam duc ban thanh dat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang ((ma hoi) OR (((mai hoi) OR (mai khoi)))). hieu ve cam duc ban thanh dat cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky tang ((ma hoi) or (((mai hoi) or (mai khoi)))). hieu ve cam duc ban thanh dat cua triet*.