Perhaps you should try some spelling variations:
sang thi » dang thi, tang thi, cang thi
sang tai » hang tai, sang tao, tang tai
hieu ve » hieu van
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai 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 sac ky ((sang thi) OR (sang tai)) hai. ((hieu ve) or (hieu va)) cam xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang thi) OR (sang tai)) hai. ((hieu ve) OR (hieu va)) cam xuc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((sang thi) OR (sang tai)) hai. ((hieu ve) or (hieu va)) cam xuc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((sang thi) OR (sang tai)) hai. ((hieu ve) or (hieu va)) cam xuc va hanh vi cua te*.