Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
han tai » hang tai, nhan tai, van tai
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh
tai va » thai va, mai va, tri va
x hoi » xa hoi, o hoi, x ho
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: so sach y nang x hoi. hieu ((ve cham) or (ve chat)) xuc va han tai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang x hoi. hieu ((ve cham) OR (ve chat)) xuc va han tai va thiet.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. hieu ((ve cham) or (ve chat)) xuc va han tai va thiet*.