Perhaps you should try some spelling variations:
nam thuoc » nam thu, nha thuoc, cay thuoc
nam thuc » am thuc, nam thu, nam tu
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, nang ma
hieu he » hieu ve, hiem he, hieu le
vai cua » dai cua, hai cua, lai cua
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
vi cua » di cua

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 xa hoi. hieu he ((nam thuc) or (nam thuoc)) va thanh ((vi cua) OR (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky nang xa hoi. hieu he ((nam thuc) OR (nam thuoc)) va thanh ((vi cua) OR (vai cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky nang xa hoi. hieu he ((nam thuc) or (nam thuoc)) va thanh ((vi cua) OR (vai cua)) te*".