Perhaps you should try some spelling variations:
hieu nghe » lieu nghe, hiem ngheo, nhiem nghe
nghe nam » nghe lam, nghiep nam, nghe nano
thuc dan » thuc hanh, hoc dan, thuc vat
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc day
vai cua » dai cua, hai cua, lai cua
vu sai » vu hai, vu san, vu dai
vi cua » di cua
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky nang xa hoi. hieu nghe nam ((thuc va) OR (thuc dan)) thanh ((vi cua) or (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky nang xa hoi. hieu nghe nam ((thuc va) OR (thuc dan)) thanh ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky nang xa hoi. hieu nghe nam ((thuc va) OR (thuc dan)) thanh ((vi cua) or (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: vu sai ky nang xa hoi. hieu nghe nam ((thuc va) OR (thuc dan)) thanh ((vi cua) or (vai cua)) te*.