Perhaps you should try some spelling variations:
doanh giao » danh gia, anh giao, toan giao
cua triet » cua viet, su triet, va triet
chat soc » cham soc, chat hoc, chat doc
danh day » danh dau, dan day, doanh dao
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va chat » van chat, va phat, cao chat
soc va » hoc va, loc va, doc va

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 xa hoi. lieu va chat soc va ((danh day) or (doanh giao)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. lieu va chat soc va ((danh day) OR (doanh giao)) cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. lieu va chat soc va ((danh day) or (doanh giao)) cua triet*.