Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
cua triet » cua viet, su triet, va triet
chat soc » chat hoc, chat doc, chat song
hanh dao » lanh dao, thanh dat, doanh dao
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang x hoi. lieu va ((chat soc) or (cham soc)) va ((hanh dao) OR (thanh dam)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. lieu va ((chat soc) OR (cham soc)) va ((hanh dao) OR (thanh dam)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. lieu va ((chat soc) or (cham soc)) va ((hanh dao) OR (thanh dam)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. lieu va ((chat soc) or (cham soc)) va ((hanh dao) OR (thanh dam)) cua triet*.