Perhaps you should try some spelling variations:
sang thi » dang thi, sang tai, tang thi
ky sang » ky nang, ky dang, ky tang
thi hai » thi mai, thi hanh
hieu ve » hieu van
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
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 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 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 hai. ((hieu ve) or (hieu va)) cam xuc va hanh vi cua te*.