Retrieve task 2 days after and before today's date using Query expression in CRM 2015

  QueryExpression queryExp = new QueryExpression();

                queryExp.EntityName = "task";

                queryExp.ColumnSet = new ColumnSet();

                queryExp.ColumnSet.AddColumns("activityid", "statecode", "scheduledend", "aces_notificationdate");

                ConditionExpression condition1 = new ConditionExpression();

                condition1.AttributeName = "scheduledend";

                condition1.Operator = ConditionOperator.On;

                condition1.Values.Add(DateTime.UtcNow.AddDays(2));

          

                ConditionExpression condition2 = new ConditionExpression();

                condition2.AttributeName = "statecode";

                condition2.Values.Add(0);//condition to retrieve cases associated with Master Case

                ConditionExpression condition3 = new ConditionExpression();

                condition3.AttributeName = "scheduledend";

                condition3.Operator = ConditionOperator.On;

                condition3.Values.Add(DateTime.UtcNow.AddDays(-2));

           

                    //FilterExpression filterExpression = new FilterExpression();

                    //filterExpression.AddCondition(condition1);

                    //filterExpression.AddCondition(condition2);

                    //filterExpression.AddCondition(condition3);

                    //filterExpression.FilterOperator = LogicalOperator.And;

            FilterExpression filterExpression = new FilterExpression();

            FilterExpression filterExpression1 = new FilterExpression();

            FilterExpression filterExpression2 = new FilterExpression();

            filterExpression1.AddCondition(condition1);

            filterExpression1.AddCondition(condition2);

            filterExpression2.AddCondition(condition2);

            filterExpression2.AddCondition(condition3);

            filterExpression.FilterOperator = LogicalOperator.Or;

            filterExpression1.FilterOperator = LogicalOperator.And;

            filterExpression2.FilterOperator = LogicalOperator.And;

            filterExpression.AddFilter(filterExpression1);

            filterExpression.AddFilter(filterExpression2);

            queryExp.Criteria = filterExpression;