It is often helpful to search by subject heading and then limit by language or time period. Here are some examples of subject headings:
A couple sources for step #1 (to the right)
Social structure, social change, social organization, society, altruism and cooperation, sex roles/gender roles, stratification, family, parenting, social/group dynamics, social psychology, technology, economy, ideology, class, industry and industrial revolution, hunting, gathering, nomadic, clans, kinship, horticulture/agriculture, ethnography, ethnohistory
Think hard about what kinds of sources will contain information about your society. We have sources based on geography, sources covering particular time periods, and discipline-specific sources.