Perhaps you should try some spelling variations:
"universal declaration per child" » "universal declaracion por child" (Expand Search), "universal declaration de child" (Expand Search), "universal declaration ue child" (Expand Search), "universal declaration peru chile" (Expand Search), "universal declaration por chile" (Expand Search)
"universal declaration el child" » "universal declaracion el child" (Expand Search), "universal declaracion del child" (Expand Search), "universal declaration _ child" (Expand Search), "universal declaration el chile" (Expand Search), "universal declaration a child" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("universal declaration per child") OR ("universal declaration el child"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"universal declaration per child\") OR (\"universal declaration el child\"))".
• Removing quotes may allow a broader search: (( universal declaration per child ) OR ( universal declaration el child )).
• Adding a wildcard symbol may retrieve word variants: (("universal declaration per child") OR ("universal declaration el child"))*.