Perhaps you should try some spelling variations:
lieu tham » lieu tai, lieu phap
hieu nghe » lieu nghe, hiem ngheo, nhiem nghe
nam thuoc » nam thu, nha thuoc, cay thuoc
nam thuc » am thuc, nam thu, nam tu
thanh vi » hanh vi, thanh va, thanh ve
vu hai » su hai, vu ha
hai ky » thai ky, hoi ky, hai ly
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu hai ky nang x hoi. ((hieu nghe) or (lieu tham)) ((nam thuc) or (nam thuoc)) gia thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu hai ky nang x hoi. ((hieu nghe) OR (lieu tham)) ((nam thuc) OR (nam thuoc)) gia thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: vu hai ky nang x hoi. ((hieu nghe) or (lieu tham)) ((nam thuc) or (nam thuoc)) gia thanh vi cua tu*.