Perhaps you should try some spelling variations:
su sach » so sach
van anh » van thanh, van minh
dan xac » dan bac, dan cac, dan xa
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
vu sach » vu bach, vu khach
v nang » va nang, vu nang, van nang
va dan » ca dan, va dao, va dau
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho
tuan » quan, tran, luan

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 (vu sach)) v nang x hoi. hieu va dan xac ((van anh) or (tuan anh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) v nang x hoi. hieu va dan xac ((van anh) OR (tuan anh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) v nang x hoi. hieu va dan xac ((van anh) or (tuan anh)) di cua tre*.