For searching with precision, try one of these databases. They contain a combination of full text articles (ready to read online) and citation information about articles, book chapters, or books.
An interdisciplinary, bilingual (English and Spanish), full text database of newspapers, magazines, and journals from ethnic, minority and native presses, 1960 to present.
Articles from newspapers, magazines, and journals of the alternative and independent press, 1995 to present.