Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
va hanh » va thanh, va danh, ban hanh
su cac » tu cac, su cao, su can
cac tu » cac thu, cach tu, cac du
va cao » va cac, va co, va dao
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 tu nang xa hoi. hieu va cao xuc ((va hanh) or (van hanh)) ((vi cua) OR (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac tu nang xa hoi. hieu va cao xuc ((va hanh) OR (van hanh)) ((vi cua) OR (di cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac tu nang xa hoi. hieu va cao xuc ((va hanh) or (van hanh)) ((vi cua) OR (di cua)) triet".
• Adding a wildcard symbol may retrieve word variants: su cac tu nang xa hoi. hieu va cao xuc ((va hanh) or (van hanh)) ((vi cua) OR (di cua)) triet*.