Perhaps you should try some spelling variations:
van thiet » va thiet, dan thiet, can thiet
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
bach ty » sach ty, xach tay, bach thu
ty nang » ky nang, ty xang, ty hang
cao xuc » cam xuc, cao duc, cao suc
va cao » va cac, va co, va dao
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ty nang x hoi. lieu va cao xuc ((va thanh) or (van hanh)) vi van thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ty nang x hoi. lieu va cao xuc ((va thanh) OR (van hanh)) vi van thiet.
• Adding a wildcard symbol may retrieve word variants: vu bach ty nang x hoi. lieu va cao xuc ((va thanh) or (van hanh)) vi van thiet*.