Re: Add rank in Addword Express
At First, since the search phrases (Keywords) in AdWords Express are chosen by the system, it is quite important that you select the precise and most relevant business type. Choosing a specific category can ensure that the search phrases are relevant to your business Ad.
Secondly, the system bids automatically for your Ad auctions depending on your budget, hence if you have a higher budget, you can achieve a higher ad rank.
Thirdly, you can make sure that the geographic location selected is as accurate as possible.
You can also go through this support article here.
Hope this helps!