"could be developed further" is a grammatically correct and usable phrase in written English.
You could use it when talking about something that has potential for improvement. For example: "This idea could be developed further in order to maximize its potential."
Additional, creative design workshops that considered the same topic showed significant promise in developing concepts from which potential solutions could be developed further.
The staging doesn't quite have enough visual impact to match the show's aural flair, although the use of hundreds of plastic bottles filled with water is a neat device; one that could be developed further.
Initial results suggest that, given the portability, low power consumption and high sensitivity of the device, this technology could be developed further into point of care instrumentation useful in the diagnosis of various forms of cardiovascular diseases.
We need to be moving forward: we have a couple of vaccines that could be developed further, and we have one antiviral drug that could be useful but has not been produced in large quantities or blessed by the FDA [Food and Drug Administration].
Levin's second central character is the English mathematician Alan Turing - well known as the father of modern computing and breaking the German Enigma code during the second world war, perhaps less well known for his contributions to non-linear dynamical theory in his paper "The Chemical Basis of Morphogenesis" in 1951 - who showed that Gödel's thought could be developed further.
He writes: "After the first 237 incarnations on news bulletins, I struggled to see how this theme could be developed further, yet the BBC continued to lead with speculation about bizarre consequences of a Labour-SNP government for the economy, tax, and even road schemes.
Norris was disappointed that the plot of Karen and David's divorce could not be developed further in Series 5, as the majority of screen time was given to Adam and Rachel.
While it can be used in its current form, it could certainly be developed further.
For these reasons, one could argue that both the higher-dose monotherapy and the combination of cyclophosphamide with lower doses of huKS-IL2 should/could be developed further.
It's difficult to see how it could be developed any further, unless a modern Japanese director wishes to duplicate its effect with reference to Ozu movies like Late Autumn.
Treatments that are tailored more toward AKI-induced mineral dysregulation could be developed as further information is gathered about the exact role of FGF-23 in AKI.
