Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
van thanh » ban thanh, van tuan
thi nang » thi cong, ki nang, thi hanh
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
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet

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) or (co sach)) ky nang xa hoi. ((thi van) OR (thi nang)) bac xuc van thanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ky nang xa hoi. ((thi van) OR (thi nang)) bac xuc van 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) OR (thi nang)) bac xuc van thanh tri cua tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (co sach)) ky nang xa hoi. ((thi van) OR (thi nang)) bac xuc van thanh tri cua tre*.