Perhaps you should try some spelling variations:
hoa chuc » hoi chuc, hoc chuc, nhom chuc
vu sach » su sach, vu khach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cam tuc » cam xuc, cam tu, nam thuc
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
chuc te » thuc te, chuc ke, chuc theo
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (vu bach)) ky nang xa hoi. hieu va cam tuc ((va danh) OR (va hanh)) hoa chuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) ky nang xa hoi. hieu va cam tuc ((va danh) OR (va hanh)) hoa chuc te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (vu bach)) ky nang xa hoi. hieu va cam tuc ((va danh) OR (va hanh)) hoa chuc te".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu bach)) ky nang xa hoi. hieu va cam tuc ((va danh) OR (va hanh)) hoa chuc te*.