Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
dam tu » nam tu, cam tu, tam tu
cua te » cua tu

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: tu sac ky nang xa hoi. ((hieu ve) OR (hieu va)) dam tu va ((thanh va) OR (hanh vi)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. ((hieu ve) OR (hieu va)) dam tu va ((thanh va) or (hanh vi)) cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. ((hieu ve) OR (hieu va)) dam tu va ((thanh va) or (hanh vi)) cua te*.