Perhaps you should try some spelling variations:
su sach » so sach, vu sach
so sanh » do sanh
ve chim » va chim, ve cham, ve chinh
ve chat » va chat, van chat
van tai » von tai, van tuan
v nang » va nang, vu nang, van nang
xuc va » duc va, tuc va, luc va
tai va » thai va, mai va, tri va
thiet » thieu

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) or (so sanh)) v nang x ho. hieu ((ve chim) or (ve chat)) xuc va van tai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) v nang x ho. hieu ((ve chim) OR (ve chat)) xuc va van tai va thiet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) v nang x ho. hieu ((ve chim) or (ve chat)) xuc va van tai va thiet*.