Think of 1-4 keywords or key phrases that express your topic (rather than a full sentence). Some examples:
Culture of a country or region:
Native or ethnic peoples within one or more countries:
- kurd* culture - the asterisk* searches variants of the word Kurd (Kurds, Kurdish)
- inca* ecuador - searches variants of the word Inca (Incas, Incan) along with the name of a country other than Peru that has Incan heritage
Particular Aspects of a Country or Culture:
Similar techniques can be used whether searching the library's catalog, PRIMO—or many research databases.