Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lap hoat » tap hoa, dan hoat, lap dat
ky dang » ky nang, ky danh
lap hai » lap tai, lap lai, lanh hai
dinh vi » dinh ve, dinh viet, dinh tri
danh vi » hanh vi, danh di, danh va
van cam » van nam, van lam, van cau
cam luc » cam xuc, cau luc
su sac » su sach, su cac, su xac
luc va » duc va, tuc va, loc va
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 dang ((lap hai) OR (lap hoat)). hieu van cam luc va ((danh vi) or (dinh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang ((lap hai) OR (lap hoat)). hieu van cam luc va ((danh vi) OR (dinh vi)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky dang ((lap hai) OR (lap hoat)). hieu van cam luc va ((danh vi) or (dinh vi)) cua te".
• Adding a wildcard symbol may retrieve word variants: su sac ky dang ((lap hai) OR (lap hoat)). hieu van cam luc va ((danh vi) or (dinh vi)) cua te*.