Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cac luc » cau luc, coc luc, cac nuoc
hieu ve » hieu va, hieu van
so sach » so sanh, co sach, hoc sach
lap hai » lap tai, lap lai, lap hoat
ty sang » ty xang, ty hang, duy sang
bo sach » co sach, hoc sach
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc 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: ((so sach) OR (bo sach)) ty sang lap hai. hieu ve cac luc va danh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (bo sach)) ty sang lap hai. hieu ve cac luc va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (bo sach)) ty sang lap hai. hieu ve cac luc va danh vi cua te*.