Perhaps you should try some spelling variations:
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ky sang » ky dang, ky tang, duy sang
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va
loc va » hoc va
dan va » doan va, dan ca, ban va
va cua » va chua, via cua, ca 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: su sach ((ky sang) or (ky nang)) lap tai. hieu ve cam ((luc va) or (loc va)) dan va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ky sang) OR (ky nang)) lap tai. hieu ve cam ((luc va) OR (loc va)) dan va cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ((ky sang) or (ky nang)) lap tai. hieu ve cam ((luc va) or (loc va)) dan va cua te*.