Google カスタム検索で指定したURLが検索対象にならないのは、「as_dt」パラメーターが原因
Description
Optional. The as_dt parameter controls whether to include or exclude results from the site named in the as_sitesearch parameter. The values i and e denote inclusion and exclusion respectively.
Examples
as_dt=i,as_dt=e
+as_sitesearch
Description
Optional. The as_sitesearch parameter allows you to specify that all search results should be pages from a given site. By setting the as_dt parameter, you can also use it to exclude pages from a given site from your search resutls.
Examples
q=vacation&as_sitesearch=www.google.com
as_dt は as_sitesearch と組み合わせて使う
www.7-2.jp/e 以外を検索対象とする
e” name=”as_dt”
www.7-2.jp/e のみを検索対象とする
i” name=”as_dt”
参考
Google カスタム検索http://www.crystal-creation.com/web-appli/technical-information/search-engine/google/site-search/custom-search.htm
Custom Search Element V1
http://www.crystal-creation.com/web-appli/technical-information/web-api/google/search/web/custom-search/
Custom Search Element V2
http://www.crystal-creation.com/web-appli/technical-information/web-api/google/search/web/custom-search/v2.htm
リンク型カスタム検索エンジン
https://www.google.co.jp/cse/docs/cref.html
https://developers.google.com/custom-search/docs/js/cselement-devguide
https://developers.google.com/custom-search/docs/js/cselement-reference