Filter in a GET request not working for more than one parameter

Hi,

like filter not working in my dreamfactory. I was give my filtering section like,

http://52.23.226.68/api/v2/hotfuse_webservice/_table/users?filter=username%20like%20h%25

Response Body:
{
"resource": []
}

But if I Give like

http://52.36.182.60/api/v2/hotfuse_webservice/_table/users?filter=username%3Dharry

which give output like:

Response Body:
{
"resource": [
"_id": "5720f6c8342c2efe01b4af35",
"username": "harry",
]
}

Than why like is not working.please give a solution.????

Waiting for your response

Cheers