Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
doan thi » dan thi, doanh tai, hoang thi
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu va, hieu van
cam luc » cau luc
doan vi » doan va, don vi, doan van
su sac » su sach, su cac, su xac
cua te » cua tu
sac ky » cac ky, sai ky

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 lap hai. hieu ve ((cam luc) or (cam xuc)) va ((doan vi) OR (doan thi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky sang lap hai. hieu ve ((cam luc) OR (cam xuc)) va ((doan vi) OR (doan thi)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky sang lap hai. hieu ve ((cam luc) or (cam xuc)) va ((doan vi) OR (doan thi)) cua te".
• Adding a wildcard symbol may retrieve word variants: su sac ky sang lap hai. hieu ve ((cam luc) or (cam xuc)) va ((doan vi) OR (doan thi)) cua te*.