There are two optional ways for you to convert webpage into searchable PF file within Chrome:
The first method:
Please select Save as PDF instead of Foxit PDF Printer in the Print window as the local destinations then the texts will be searchable.
The second method:
Since version 8.0 of Foxit PhantomPDF,it provides a new "Foxit Create PDF add-in" toolbar plugin in Google Chrome and Internet Explorer for user to quickly convert webpages to PDFs with this plugin.
In google chrome, you just need to click on the "Foxit Create PDF add-in"icon on the top right corner of Google chrome browser,and choose"Convert to Foxit PDF" to start the conversion.