The phrase "gained considerable insights" is correct and usable in written English.
You can use it when you want to express that you have learned a lot about something. For example: "Through my research, I have gained considerable insights into the history of the town."
We have gained considerable insight into new ways of meeting the needs of local audiences in a digital age, as well as the commercial challenges faced by any such scheme.
A GMC review panel on Wednesday found Dr Jerome Ikwueke had demonstrated that he had "gained considerable insight into his failings" in child protection work since being disciplined a year ago for failures in his care of Peter Connelly.
Although we have been aware of and gained considerable insight into the role of IMCL in metabolism and the development of IR, there are still complex questions to be answered.
Using various sophisticated proteomic technologies over the past decade, researchers have gained considerable insight into the complex array of proteins present in the human CVF (well over 600 different peptides have now been described) [ 48– 548.
The methodology outlined in this paper describes how data from simple trials can be effectively used within a model to gain considerable insight into plantation crop species climatic preferences.
At the moment the evidence is not conclusive, although by considering posterior modifications to the code we might gain considerable insight.
Since that study, Naidoo said he has gained considerable new insight into the specific development strategies that hold the greatest promise for bringing a broader reversal of fortune to the entire continent.
The bill gained considerable attention but stalled.
Her performance as Sabina Spielrein has gained considerable praise.
The polyamory movement has gained considerable momentum in recent years.
During her lifetime Olsen gained considerable fame, particularly among scholars.
