<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="view_custom_product_search_form" model="ir.ui.view">
            <field name="name">product.search.form</field>
            <field name="model">product.product</field>
            <field name="inherit_id" ref="product.product_search_form_view"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='name']" position="after">
                   <field name="family" string="Family" filter_domain="[('family','ilike',self)]"/>
                </xpath>
            </field>
        </record>
    </data>
</openerp>