Elastic Search with multiple result

I have this query below but it return 1 result only, now i want it to return multiple one and can be paginate (with or without Kaminari). I'm new to elasticsearch so please help

query: {
          bool: {
            should: [
              {nested: {
                path: 'item_info',
                query: {
                  bool: {
                    should: [{
                      match: {'item_info.name': {query: params[:item_request][:key_word], fuzziness: 'AUTO'}}
                    },
                    {
                      match: {'item_info.sku': {query: params[:item_request][:key_word], fuzziness: 'AUTO'}}
                    },]
                  }
                }
              }},
              {nested: {
                path: 'catalog',
                query: {
                  bool: {
                    should: [{
                      match: {'catalog.name': {query: params[:item_request][:key_word], fuzziness: 'AUTO'}}
                    }]
                  }
                }
              }},
              {nested: {
                path: 'companies',
                query: {
                  bool: {
                    should: [{
                      match: {'companies.name': {query: params[:item_request][:key_word], fuzziness: 'AUTO'}}
                      }]
                    }
                }
                }}
              ]
          }
        }