Perhaps you should try some spelling variations:
"discriminaciones positivas a inversao" » "discriminacion positiva a inversao" (Expand Search), "discriminaciones positivas la inversao" (Expand Search), "discriminaciones positivas o inversao" (Expand Search), "discriminaciones positivas y inversao" (Expand Search), "discriminaciones positivas na inversao" (Expand Search), "discriminaciones positivas la inversio" (Expand Search), "discriminaciones positivas a insercao" (Expand Search)
"discriminacion policial o inversas" » "discriminacion judicial o inversas" (Expand Search), "discriminacion comercial o inversas" (Expand Search), "discriminacion racial o inversas" (Expand Search), "discriminacion policial y inversas" (Expand Search), "discriminacion policial a inversas" (Expand Search), "discriminacion policial _ inversas" (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: (("discriminaciones positivas a inversao") OR ("discriminacion policial o inversas"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"discriminaciones positivas a inversao\") OR (\"discriminacion policial o inversas\"))".
• Removing quotes may allow a broader search: (( discriminaciones positivas a inversao ) OR ( discriminacion policial o inversas )).
• Adding a wildcard symbol may retrieve word variants: (("discriminaciones positivas a inversao") OR ("discriminacion policial o inversas"))*.