Perhaps you should try some spelling variations:
sang tao » hang tai
hieu va » lieu va, hieu qua
ky sang » ky nang, ky dang, ky tang
tao hai » tao dai, tao tai, tai hai
hieu ve » hieu van
xuc va » duc va, tuc va, xac va
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky sang tao hai. ((hieu ve) or (hieu va)) cam ((xuc va) OR (luc va)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky sang tao hai. ((hieu ve) OR (hieu va)) cam ((xuc va) OR (luc va)) hanh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky sang tao hai. ((hieu ve) or (hieu va)) cam ((xuc va) OR (luc va)) hanh vi cua te*".