Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
van bac » van ban, van bao, van hac
xuc van » duc van, luc van, vuc van
anh tri » anh thi, anh tai, anh trinh
cua tre » cua te, cuu tre, cua triet

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ky nang xa hoi. thi van bac xuc van ((anh tri) OR (thanh tri)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (co sach)) ky nang xa hoi. thi van bac xuc van ((anh tri) OR (thanh tri)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (co sach)) ky nang xa hoi. thi van bac xuc van ((anh tri) OR (thanh tri)) cua tre*.