If you're looking for files rather than pages - give index of as the intitle: parameter.
如果你只是寻找文件而不是网页，只需用index of代替intitle：参数。
The result of a Google Books API search for '+ intitle: PHP' shows two of 310 results filtered by title.
一个搜索“+intitle：php”的GoogleBooksAPI搜索的结果，显示了根据标题过滤的310个结果中的两个。
Google has some very powerful, hidden search parameters, too. For example "intitle" only searches page titles.
Google也有很多功能强大却隐藏着的搜索参数，例如“intitle”仅仅只会搜索网页标题(titles) .你可以用这个例子试一试：intitle：网页设计。
The result of a Google Books API search for '+ intitle: PHP + inauthor: vikram + vaswani' with two of 10 filtered items.
一个搜索“+intitle：php +inauthor：vikram +vaswani”的GoogleBooksAPI搜索的结果，显示了10个已过滤项目中的两个。
The result of a Google Books API search for '+ intitle: PHP + inauthor: vikram + vaswani' with two of 10 filtered items.
一个搜索“+intitle：php +inauthor：vikram +vaswani”的GoogleBooksAPI搜索的结果，显示了10个已过滤项目中的两个。
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