Colocar 2 palavras da lista!

public static void main(String[] args) throws IOException {
		Vector<String> vs= new Vector<String>();
		try {
			

			FileReader fr= new FileReader("C:/Documents and Settings/Desktop/Lista.txt");
			BufferedReader br= new BufferedReader(fr);
			for (;;) {
				String line= br.readLine();
				if ( line == null ) break;
				vs.add(line);
			}
			br.close();
		}
		catch (Exception exc) {
			exc.printStackTrace();
		}

                              String directiveArg;

		String directiveArgA = "medicina site:pt";//Aqui quero por uma word qualquer da list

		String directiveArgB;

		GoogleSearch s = new GoogleSearch();

		
		FileWriter fw= new FileWriter("C:/Documents and Settings/Desktop/scp1.txt", true);
		PrintWriter pw= new PrintWriter(fw);

		try {
			GoogleSearchResult r, rA, rB;
			s.setQueryString(directiveArgA);
			rA = s.doSearch();

			
			for (String word : vs) {
				directiveArg= "medicina \"" + word + "\" site:pt";
				directiveArgB= word + " site:pt";

				s.setStartResult(0); // setStartResult is 0 based

				s.setQueryString(directiveArg);
				r = s.doSearch();

				s.setQueryString(directiveArgB);
				rB = s.doSearch();

public class Pair implements Comparable {

	String word1;
	String word2;
	int count;
	double assoc;
	
	public int compareTo(Object o) {
		Pair p = (Pair)o;
		
		int t = word1.compareTo(p.word1);
		if(t != 0)
			return t;
		return word2.compareTo(p.word2);
	}
	
}