Sample topic : Hispanic families' influences upon their kids school performance (k-12)
Break the question into these concepts: Hispanic, families, k-12 schools, and student performance
Think about the synonyms for each, for example,
Hispanic, Latino, American Mexicans
Family, families, parents, Hispanic culture
Schools, elementary school, middle school, high school
Student Performance, grading, tests, academic achievement
Use the Or to group the synonyms together, e.g. - Hispanic or Latino or American Mexicans
If Thesaurus offers too many terms, use the overarching category instead, e.g. academic achievement.
Start with the most relevant database. Repeat the same search strategies with the same set of keywords over other databases.
Adapted from, Margaret Foster, "Search for Literature Reviews" (video not available anymore)