Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
hanh di » hanh vi, hanh de, hang di
va dau » va dao
tu van » tu va
di cua » dai cua, doi cua, de cua

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 ((ty nang) OR (ky nang)) xa hoi. lieu va dau tu van hanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ky nang)) xa hoi. lieu va dau tu van hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) OR (ky nang)) xa hoi. lieu va dau tu van hanh di cua triet*.