vṛndāvana-bhrame - taking it for Vṛndāvana; tāhāṅ - there; paśilā - entered; dhāñā - running; prema-āveśe - in ecstatic love of Kṛṣṇa; bule - wanders; tāhāṅ - there; kṛṣṇa - Lord Kṛṣṇa; anveṣiyā - searching for.

Lord Caitanya mistook that garden for Vṛndāvana and very quickly entered it. Absorbed in ecstatic love of Kṛṣṇa, He wandered throughout the garden, searching for Him.