Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van ban
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
va cham » va chat, va tham
van anh » van thanh, tuan anh, van minh
tu san » thu san, tu ban, tu can
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: tu san ((ky lang) OR (ky dang)) xa hoi. lieu va cham soc ((van hanh) or (van anh)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((ky lang) OR (ky dang)) xa hoi. lieu va cham soc ((van hanh) OR (van anh)) di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky lang) OR (ky dang)) xa hoi. lieu va cham soc ((van hanh) or (van anh)) di cua triet".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky lang) OR (ky dang)) xa hoi. lieu va cham soc ((van hanh) or (van anh)) di cua triet*.