If you want to know more about graph what people can search about you or what you can search about people then you can read here - Facebook latest Graph Search Updates
Now, here goes a simple trick that you can disable the Facebook Graph Search :
(Note:This settings do not work for Facebook desktop client)
Step 1:Scroll down the Facebook page or just change the language from Logging page/Home page of Facebook. Or just go to your 'Account Settings' panel and select 'General' and find the language settings.
(Note: This is for a limited period of time. When Facebook turn on Graph search for all language this trick will work. Until then enjoy)