LTC search engine will return Web sites offering long-distance call services.
Search by phrases
1) Search by a phrase or a string
This works best if you know exactly what you are looking for. For instance, if you want to find a site owned by Tsinghua University, in the search text box type:
Make sure that you enclose each phrase within double quotation marks "".
Search by categories
This works best if you want to find sites in a particular sector, e.g. companies importing and exporting clothes. You can follow the LTC category tree:
Import and Export: Textile and Fashion. Go to Main Categories
At present, LTC search engine accepts only English search text.