SELECT * FROM (SELECT * FROM (
					SELECT * FROM (
					SELECT * FROM items_view WHERE thumbnail != ''
					UNION
					SELECT * FROM items_view WHERE thumbnail = ''
				) tmp WHERE id > 0 AND LCASE(category) = 'hardwood' 
				GROUP BY subcollection) tmp WHERE thumbnail != ''

				UNION

				SELECT * FROM (
				SELECT * FROM (
					SELECT * FROM items_view WHERE thumbnail != ''
					UNION
					SELECT * FROM items_view WHERE thumbnail = ''
				) tmp WHERE id > 0 AND LCASE(category) = 'hardwood' 
				GROUP BY subcollection) tmp2 WHERE thumbnail = '') result LIMIT 120 OFFSET 0

• Barrington 
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• Domestic Floor 
• Kupay 
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• Safari 
• Traditions 
• Wild West 
• Allure 
• Antique 
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• Portland