"gain thorough understanding" is a correct and usable phrase in written English.
You can use it in any context where you would like to express that someone needs to understand something in depth. For example, "The goal of this class is to help students gain thorough understanding of the subject matter."
Systematic reconnaissance efforts and detailed forensic investigations can fill critical gaps between cursory observations to gain a thorough understanding of the factors that contribute to performance.
The aim of this review is to gain a thorough understanding of biological obstacles to islet transplantation and discuss how to overcome these barriers using different RNAi technologies.
The reader will gain a thorough understanding of the 16-bit PIC microcontrollers, the DSPIC digital signal controllers, and the 32-bit PIC microcontrollers.
In addition, the influences of various laminates' lay-ups, dimensions and material properties are investigated to gain a thorough understanding of the bistable characteristics of bistable hybrid symmetric laminates (BHSLs).
The Catholic Education Service CESS), which represents Catholic schools in the UK, has chosen Judaism "so our pupils can gain a thorough understanding of the richness and breadth of 2000 years of Catholic theology and culture," the body's director Paul Barber said.
Any researcher using the Law in Iraq Series will gain a thorough understanding of Iraqi law and policy and of how that law and policy have been shaped by previous and current Iraqi courts, legislative bodies, and executive agencies.
Students are expected to gain a thorough understanding, retrospectively, of the key events in this hostile takeover attempt and of the institutional dynamic of the conflict of interest issue.
Presently, there are many calls to move away from the conventional lecture to interactive computer learning systems that allow students to gain a thorough understanding about a certain topic or subject.
Harvard's news release quoted him as saying that he hoped Harvard's Islamic studies program "will enable generations of students and scholars to gain a thorough understanding of Islam and its role both in the past and in today's world". "Bridging the understanding between East and West is important for peace and tolerance," he said.
