You will be able to generate Keyword ideas based on a number of
inputs. In your use case, it looks like you're using AdGroup Id to generate the keyword ideas. If you do not wish to use AdGroup Id, you will be able to use other inputs listed
here, to generate ideas.
This said, the screenshot attachment is missing on this thread. You will be able to create campaigns both from the AdWords API and the UI by specifying the client account customer ID. Through the API, you may refer to the
AddCampaigns code sample in Java. Code samples in other languages can be found
here. If you're using UI, you can follow the steps mentioned in
this guide.