Perhaps you should try some spelling variations:
danh hoa » thanh hoa, khanh hoa, nganh hoa
hoa chuc » hoi chuc, hoc chuc, nhom chuc
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
chuc te » thuc te, chuc ke, chuc theo
va cam » va cham, va cao, va cai
tuc va » thuc va, truc va, tuc xa

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 ky nang xa hoi. hieu ((va cam) OR (va cac)) tuc va danh hoa chuc te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. hieu ((va cam) OR (va cac)) tuc va danh hoa chuc te".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu ((va cam) OR (va cac)) tuc va danh hoa chuc te*.