Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
cao xuc » cam xuc, cao duc, cao suc
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
x hoi » xa hoi, o hoi, x ho
vi va » vi van, vai va, vu va
thiet » thieu

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

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