Perhaps you should try some spelling variations:
dan hoat » van hoa, dan hoc, danh hoa
hieu va » lieu va, hieu qua
ky sang » ky nang, ky dang, ky tang
va hoat » va hoa, qua hoat, lap hoat
dinh vi » dinh ve, dinh viet, dinh tri
danh vi » hanh vi, danh di, danh va
su sac » su sach, su cac, su xac
xuc va » duc va, tuc va, luc va
va cam » va cham, va cac, va cao
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: su sac ky sang ((va hoat) or (dan hoat)). hieu va cam xuc va ((danh vi) or (dinh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky sang ((va hoat) OR (dan hoat)). hieu va cam xuc va ((danh vi) OR (dinh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: su sac ky sang ((va hoat) or (dan hoat)). hieu va cam xuc va ((danh vi) or (dinh vi)) cua te*.