Program retrieval remains a cornerstone of software development, crucial for boosting productivity throughout the development lifecycle. Amidst diverse program retrieval models, many have ignored the disparities between natural language queries and code, resulting in a prominent semantic gap.Program retrieval remains a cornerstone of software development, crucial for boosting productivity throughout the development lifecycle. Amidst diverse program retrieval models, many have ignored the disparities between natural language queries and code, resulting in a prominent semantic gap.[#item_full_content]