Perhaps you should try some spelling variations:
sang tao » hang tai
sang lap » sang ma, sang tai, dan lap
cam luc » cam xuc, cau luc
danh vi » hanh vi, dinh vi, danh di
hieu ve » hieu van
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
su sac » su sach, su cac, su xac
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu
sac ky » cac ky, sai ky

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: su sac ky ((sang lap) OR (sang tao)) hai. ((hieu ve) OR (hieu va)) cam luc va danh vi cua tu~.
• Adding a wildcard symbol may retrieve word variants: su sac ky ((sang lap) or (sang tao)) hai. ((hieu ve) or (hieu va)) cam luc va danh vi cua tu*.