==> CTRL + F and search code ]]></b:skin>
==> paste this code above the code:
.breadcrumbs{padding:0 5px 5px 0;margin:0 0 5px;font-size:11px;border-bottom:1px dotted #ccc;font-weight:normal}
==> CTRL+F search code <b:includable id='main' var='top'>
==> delete the code and you change with this code:
ok, now your breadcrumb had been indexed by google, thank you..<b:includable id='breadcrumb' var='posts'>
<b:if cond='data:blog.homepageUrl != data:blog.url'><b:if cond='data:blog.pageType == "static_page"'><div class='breadcrumbs'><span><a expr:href='data:blog.homepageUrl' rel='tag'>Home</a></span> » <span><data:blog.pageName/></span></div><b:else/><b:if cond='data:blog.pageType == "item"'><!-- breadcrumb for the post page --><b:loop values='data:posts' var='post'><b:if cond='data:post.labels'><div class='breadcrumbs' xmlns:v='http://rdf.data-vocabulary.org/#'><span typeof='v:Breadcrumb'><a expr:href='data:blog.homepageUrl' property='v:title' rel='v:url'>Home</a></span><b:loop values='data:post.labels' var='label'><b:if cond='data:label.isLast == "true"'>» <span typeof='v:Breadcrumb'><a expr:href='data:label.url' property='v:title' rel='v:url'><data:label.name/></a></span></b:if></b:loop>» <span><data:post.title/></span></div><b:else/><div class='breadcrumbs'><span><a expr:href='data:blog.homepageUrl' rel='tag'>Home</a></span> » <span>Unlabelled</span> » <span><data:post.title/></span></div></b:if></b:loop><b:else/><b:if cond='data:blog.pageType == "archive"'><!-- breadcrumb for the label archive page and search pages.. --><div class='breadcrumbs'><span><a expr:href='data:blog.homepageUrl'>Home</a></span> » <span>Archives for <data:blog.pageName/></span></div><b:else/><b:if cond='data:blog.pageType == "index"'><div class='breadcrumbs'><b:if cond='data:blog.pageName == ""'><span><a expr:href='data:blog.homepageUrl'>Home</a></span> » <span>All posts</span><b:else/><span><a expr:href='data:blog.homepageUrl'>Home</a></span> » <span>Posts filed under <data:blog.pageName/></span></b:if></div></b:if></b:if></b:if></b:if></b:if></b:includable><b:includable id='main' var='top'><b:include data='posts' name='breadcrumb'/>