Perhaps you should try some spelling variations:
va doanh » van doanh, vay doanh, va danh
doanh va » doan va, doanh tai, doanh cua
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va cham » va chat
va tham » van tham, va thanh, va thuat
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
va cua » va chua, via cua, ca cua

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 y nang xa hoi. hieu ((((va cham) or (va tham))) or (va cac)) luc va doanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. hieu ((((va cham) OR (va tham))) OR (va cac)) luc va doanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ((((va cham) or (va tham))) or (va cac)) luc va doanh va cua tre*.