Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va tham » van tham, va thanh, va thuat
va cham » va chat
va hanh » van hanh, va thanh, va danh
te cac » tu cac, ve cac, te cao
soc va » hoc va, loc va, doc va
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky lang xa hoi. hieu ((va tham) or (va cham)) soc va hanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky lang xa hoi. hieu ((va tham) OR (va cham)) soc va hanh vi su triet.
• Adding a wildcard symbol may retrieve word variants: te cac ky lang xa hoi. hieu ((va tham) or (va cham)) soc va hanh vi su triet*.