The phrase "a need to enhance" is correct and usable in written English.
It can be used when discussing the necessity or desire to improve something, whether it's a process, skill, or product.
Example: "The team identified a need to enhance their communication strategies to improve overall efficiency."
Alternatives: "a requirement to improve" or "a necessity for enhancement."
There is a need to enhance patient and practitioner pain communications.
However, due to their low immunogenicity, there is a need to enhance DNA-based vaccine potency.
There is a need to enhance the performance of Solar Power Tower SPTT) systems in view of their significant capital costs.
There is a need to enhance heat transfer in TES system with the goal of reducing charging and discharging times while maximizing surface-to-volume ratio.
The Institute of Medicine Committee on the Future of Emergency Care in the United States Health System (2003) identified a need to enhance the research base for emergency care.
Finally, clinical situations are outlined where there is a need to enhance skeletal muscle regeneration: these include acute and chronic injuries or transplantation with bioengineering to form new muscles, therapeutic approaches to muscular dystrophies, and comment on proposed stem cell therapies to reduce age-related loss of muscle mass and function.
Such a borderless spread indicates a critical need to enhance cross-border communication and timely sharing of epidemic information so that future disease control efforts can be made at multiple geographic levels.
There is a comparable need to enhance the safety of park users.
There is a strong need to enhance sustainability of production systems while improving the environmental quality.
As President Obama's Task Force on 21st Century Policing asserts, there is a strong need to enhance community policing and "build trust and legitimacy".
Thus, there is a compelling need to enhance our understanding of the underlying dynamics of how people perceive and use transportation such that transport planning is better placed to address the current, unsustainable travel patterns in SEA.
