Improve Advanced search for oscommerce

This project requires a programmer to improve the OSCommerce advanced search - It needs to be able to search by alphabetical order, title and manufacturer examples: search in title : List results from title start with 'A' where keyword are 'monitor' AND category ='electronics' AND format ='---' search in manufacturer : list results from manufacturers start with 'A' where keyword are 'son' AND category ='electronics' AND format ='---' This project is to improve this sql: select distinct p.products_image, p.products_quantity, p.products_model, m.manufacturers_name, m.manufacturers_id, p.products_id, pd.products_name, p.products_price, p.products_tax_class_id, IF([login to view URL], s.specials_new_products_price, NULL) as specials_new_products_price, IF([login to view URL], s.specials_new_products_price, p.products_price) as final_price from products p left join products_to_products_extra_fields p2pef on p.products_id=p2pef.products_id left join manufacturers m on p.manufacturers_id=m.manufacturers_id left join specials s on p.products_id = s.products_id, products_description pd, categories c, products_to_categories p2c where p.products_status = '1' and p.products_id = pd.products_id and pd.language_id = '3' and p.products_id = p2c.products_id and p2c.categories_id = c.categories_id and ((pd.products_name like '%son%' or p.products_model like '%son%' or m.manufacturers_name like '%son%' or p2pef.products_extra_fields_value like '%son%') ) and ((p2pef.products_extra_fields_value like '%todos%' AND p2pef.products_extra_fields_id = 2) ) order by pd.products_name and the form and [login to view URL] file