Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
va thanh » ban thanh, va tinh, le thanh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
ve nam » he nam, va nam, le nam
vi cua » di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang xa hoi. hieu ve nam thuoc ((va thanh) OR (gia thanh)) ((vi cua) OR (vai cua)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky nang xa hoi. hieu ve nam thuoc ((va thanh) or (gia thanh)) ((vi cua) OR (vai cua)) tu~".
• Adding a wildcard symbol may retrieve word variants: vu san ky nang xa hoi. hieu ve nam thuoc ((va thanh) or (gia thanh)) ((vi cua) OR (vai cua)) tu*.