Perhaps you should try some spelling variations:
"atuacao do tribunais de contas" » "atuacao dos tribunais de contas" (Expand Search), "atuacao nos tribunais de contas" (Expand Search), "atuacao aos tribunais de contas" (Expand Search), "atuacao do tribunal de contas" (Expand Search), "atuacao do tribunais de cuentas" (Expand Search), "atuacao do tribunais de contratos" (Expand Search)
"atuacao de tribunais de contas" » "atuacao de tribunal de contas" (Expand Search), "atuacao e tribunais de contas" (Expand Search), "atuacao dos tribunais de contas" (Expand Search), "atuacao de tribunales de contas" (Expand Search), "atuacao da tribunais de contas" (Expand Search), "atracao de tribunais de contas" (Expand Search), "atuacao de tribunais de cuentas" (Expand Search), "atuacao de tribunais de contratos" (Expand Search)

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