Put this search script file in some dir that's in your PATH

search

#!/bin/bash

if [ $# -lt 1 ]; then
  echo "Usage: $0 <search_pattern>"
  echo "  Searches for pattern in file contents and filenames"
  exit 1
fi

search_pattern=$1

echo "=== 10 matches in file contents ==="
ag "$search_pattern" --nogroup | head -n 10

echo ""
echo "=== 10 matching filenames ==="
ag -g "$search_pattern" | head -n 10