Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nha thuoc, cay thuoc
va thanh » ban thanh, va tinh, le thanh
hieu ve » hieu va, hieu van
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
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 sai ky nang x hoi. hieu ve ((nam thuoc) OR (nam thu)) ((va thanh) or (gia thanh)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky nang x hoi. hieu ve ((nam thuoc) OR (nam thu)) ((va thanh) OR (gia thanh)) vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky nang x hoi. hieu ve ((nam thuoc) OR (nam thu)) ((va thanh) or (gia thanh)) vi cua tu".
• Adding a wildcard symbol may retrieve word variants: vu sai ky nang x hoi. hieu ve ((nam thuoc) OR (nam thu)) ((va thanh) or (gia thanh)) vi cua tu*.