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