search examples :
• London or PA_01 (Simple keywords)
• city="london" (Exact city search)
• after_date_pos="2025-01-01" or before_date_pos="2005-09-06" or strict_before_date_pos="2014-05-13" (Temporal filtering)
• points="50" (Score filtering)
• city="Paris" points="30" (Multi-criteria combination)