Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tri » thanh tri, hanh tai, hanh trinh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van bac » van bao, van hac, dan bac
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va

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 ky nang xa hoi. hieu ((van bac) or (van ban)) xuc va hanh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((van bac) OR (van ban)) xuc va hanh tri cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((van bac) or (van ban)) xuc va hanh tri cua triet*.