You may search the database of Fullbright grants at the Council for International Exchange Scholars site. For World Area, select East Asia and the Pacific or South and Central Asia.
1092, East Asia and the Pacific, China, Social Sciences and Humanities
1096, East Asia and the Pacific, Hong Kong, Humanities and Social Sciences
1098, East Asia and the Pacific, Hong Kong, Social Sciences and Humanities
1099, East Asia and the Pacific, Hong Kong, Social Sciences and Humanities
1108, East Asia and the Pacific, Korea, Social Sciences, Humanities, Fine Arts
1111, East Asia and the Pacific, Macao, Humanities and Social Sciences
1117, East Asia and the Pacific, Mongolia, Social Sciences and Humanities
1130, East Asia and the Pacific, Taiwan, Social Sciences, Arts, and the Humanities
1131, East Asia and the Pacific, Taiwan, Social Sciences, Arts, and the Humanities
More information here.