Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
va triet » va thiet, va trien, ve triet
cac tru » ca tru, cac tro, cac thu
hieu ve » hieu va
va hanh » van hanh, va thanh, va danh
su cac » tu cac, su cao, su can
x hoi » xa hoi, o hoi, x ho
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac tru nang x hoi. ((hieu ve) or (hieu van)) cam xuc ((va hanh) or (ban hanh)) vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac tru nang x hoi. ((hieu ve) OR (hieu van)) cam xuc ((va hanh) OR (ban hanh)) vi va triet.
• Adding a wildcard symbol may retrieve word variants: su cac tru nang x hoi. ((hieu ve) or (hieu van)) cam xuc ((va hanh) or (ban hanh)) vi va triet*.