Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
su tien » su kien, su hien, tu tieng
va hanh » va thanh, va danh, ban hanh
cao xuc » cam xuc, cao duc, cao suc
hieu va » lieu va, hieu qua
tu nang » tru nang, tu nong, tu nano
va cao » va cac, va co, va dao
su cao » cu cao, vu cao, su co
su cac » tu cac, su can, eu cac
x hoi » xa hoi, o hoi, x ho
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: ((su cac) or (su cao)) tu nang x hoi. hieu va cao xuc ((va hanh) or (van hanh)) vi su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (su cao)) tu nang x hoi. hieu va cao xuc ((va hanh) OR (van hanh)) vi su tien.
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (su cao)) tu nang x hoi. hieu va cao xuc ((va hanh) or (van hanh)) vi su tien*.