1. A supplementary or further investigation or examination conducted beyond an initial search to find more information or results
The police conducted an additional search of the premises to find more evidence.
A polícia realizou uma busca adicional das instalações para encontrar mais provas.
2. In information technology, a second or subsequent query performed to locate more relevant data or documents
An additional search was performed to locate all relevant documents in the database.
Uma busca adicional foi realizada para localizar todos os documentos relevantes no banco de dados.