Perhaps you should try some spelling variations:
"complementaridade constrained problemasa" » "complementaridade contained problemasa" (Expand Search), "complementaridade constrained problemas" (Expand Search), "complementaridade constrained problema" (Expand Search), "complementaridade constrained problems" (Expand Search), "complementaridade constrained problemaasa" (Expand Search), "complementaridade constrained problemasasa" (Expand Search)
"complementarity constraints problem" » "complementar constraints problem" (Expand Search), "complementarity constraints problema" (Expand Search), "complementarity constraints problemas" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"complementaridade constrained problemasa\") OR (\"complementarity constraints problem\"))~".
• Removing quotes may allow a broader search: (( complementaridade constrained problemasa ) OR ( complementarity constraints problem ))~.
• Adding a wildcard symbol may retrieve word variants: (("complementaridade constrained problemasa") OR ("complementarity constraints problem"))*.