Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hoc » van hoa
hoc xuc » hoc duc, hoa xuc, hoc nuoc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
hoi cua » hoi chuc
su can » su van, su cao, tu can
can ky » van ky, dan ky, ban ky
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: su can ky nang x hoi. hieu van hoc xuc ((va hanh) or (va danh)) ((hoi cua) or (tri cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su can ky nang x hoi. hieu van hoc xuc ((va hanh) OR (va danh)) ((hoi cua) OR (tri cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su can ky nang x hoi. hieu van hoc xuc ((va hanh) or (va danh)) ((hoi cua) or (tri cua)) tre*.