Perhaps you should try some spelling variations:
"complementaridade constrained problem" » "complementaridade contained problem" (Expand Search), "complementaridade constrained problema" (Expand Search), "complementaridade constrained problemas" (Expand Search)
"complementarity constraints problemaasa" » "complementarity constraints problemaaasa" (Expand Search), "complementarity constraints problemasaasa" (Expand Search), "complementar constraints problemaasa" (Expand Search), "complementarity constraints problemas" (Expand Search), "complementarity constraints problematica" (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 problem\") OR (\"complementarity constraints problemaasa\"))~".
• Removing quotes may allow a broader search: (( complementaridade constrained problem ) OR ( complementarity constraints problemaasa ))~.
• Adding a wildcard symbol may retrieve word variants: (("complementaridade constrained problem") OR ("complementarity constraints problemaasa"))*.