Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
hieu nghe » lieu nghe, hiem ngheo, nhiem nghe
thuc dang » thuoc dang, thuc dan, thuc dung
nghe nam » nghe lam, nghiep nam, nghe nano
nam thuc » nam thuoc, am thuc, nam thu
thanh vi » hanh vi, thanh va, thanh ve
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
vu cac » tu cac, ve cac, vu cao
cua tu » cua tuc, cua su, cua cu

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

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