have you tried the link of our china FAQ page
you can try copy&paste test this sentence "PetBacker如何运作？" in the search bar to search a valid question in the FAQ ,
while this sentence to "how does PetBacker work" test in our english FAQ
my problem is at our china FAQ page
where the question searched is valid but cannot be search .. and it has no problem with the english searching english FAQ
could you help us with this?
edit : (i cant send picture to this reply . it shows 500 internal error. nginx )