The phrase 'good indication for' is correct and usable in written English.
You can use it when you are referring to something that gives an indication that something else might be true. For example, "The sharp increase in sales was a good indication for future growth."
Location of access requestor can be a good indication for his/her eligibility and reasons for accessing the data.
It is shown that a quasi-static simulation for rubber springs using nonlinear software can provide good indication for product design and failure analysis.
The flow and results of the evaluation in this analysis would provide a good indication for both the verification of the existing beam dumps, and the design of beam dumps in new accelerators with higher intensity beam.
The high crystallinity of the hydroxide products supports the existence of good photoluminescence intensity, a good indication for their future use in detection of biomacromolecules through hypersensitive emission (614 nm, 5D0 → 7F2) transition.
It's a good indication for the future.
This gave a good indication for the reliability of the proposed method.
We conclude that diamond-like carbon shows good indications for biocompatibility to blood monocytes in vitro.
Loss of condyle from trauma and resorption of joint are good indications for prosthesis, but the patients should be informed about limitation of jaw movement.
We also chose the group of MRI of the head of children done under anaesthesia because there should be good indications for the examination as anaesthesia carries its own risks.
I say this because there are good indications for both camps, meaning nobody really knows what will happen.
Our PDS, especially the comparisons of the quantitative responses to the statements from the self-selected CAM consumer group with data from the conventional and CAM providers, gives good indications for future areas of research.
