Perhaps you should try some spelling variations:
hieu nghe » hiem ngheo, nhiem nghe, hieu he
lieu nghe » lieu nhe, lieu nghien, lieu nha
thanh vi » hanh vi, thanh va, thanh ve
thuc dan » hoc dan, thuc vat
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
vi cua » vai cua, di cua
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
cua te » cua tu

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

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