Search by keywords/phrases and use Boolean searching.
'AND: "parent* involvement*" AND "academic achievement"
OR: "language attrition" OR "language loss"
Using "Quotation Marks" searches words as a phrase, "bilingual education"
Limit search results by Date and Peer-Reviewed journals.
Truncation searches variations of a word. The symbol used is asterisk *.
BILINGUAL* will retrieve: bilingual, bilingualism, bilingual education, etc.
Check Subject terms to see if there are any synonym terms to consider.