List<Criterion> criteria = Lists.newArrayList();
// Criterion - Travel Agency product/service. See GetProductServices.java for an example
// of how to get valid product/service settings.
ProductService productService = new ProductService();
productService.setText("Travel Agency");
productService.setLocale("en_US");
criteria.add(productService);
// Criterion - English language.
// The ID can be found in the documentation:
// https://developers.google.com/adwords/api/docs/appendix/languagecodes