Perhaps you should try some spelling variations:
su sach » so sach, vu sach
cau luc » cau truc, cau phuc
lap hai » lap tai, lap hoat, lanh hai
danh vi » hanh vi, dinh vi, danh di
lap lai » lap tai, lay lai, lam lai
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
cam luc » cam xuc
vi cua » vai cua, di cua
y dang » ky dang, 2 dang, _ dang
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 sach y dang ((lap hai) or (lap lai)). hieu ve ((cam luc) OR (cau luc)) va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y dang ((lap hai) OR (lap lai)). hieu ve ((cam luc) OR (cau luc)) va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y dang ((lap hai) or (lap lai)). hieu ve ((cam luc) OR (cau luc)) va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: su sach y dang ((lap hai) or (lap lai)). hieu ve ((cam luc) OR (cau luc)) va danh vi cua te*.