Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
danh di » danh du, xanh di, danh dien
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
lap lai » lay lai, lam lai, lap hai
ve cam » ve cham, ve cac, va cam
luc va » tuc va, loc va
di cua » dai cua, doi cua, de 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 ky dang ((lap lai) or (lap tai)). hieu ve cam ((luc va) or (duc va)) danh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dang ((lap lai) OR (lap tai)). hieu ve cam ((luc va) OR (duc va)) danh di cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ky dang ((lap lai) or (lap tai)). hieu ve cam ((luc va) or (duc va)) danh di cua te*.