The phrase "a hint of progress" is correct and usable in written English.
It can be used to describe a small or subtle indication that advancement or improvement is occurring in a situation.
Example: "After weeks of hard work, we finally saw a hint of progress in the project."
Alternatives: "a sign of advancement" or "a trace of improvement."
A Hint of Progress Dr. James L. Abbruzzese of the M. D. Anderson Cancer Center in Houston said some progress had been made in treating the disease.
It was heartbreaking, yet we ultimately found a hint of progress, partly because of the grit of a 15-year-girl, Fulamatu.
There was a hint of progress: the number of blacks and Latinos who got into Stuyvesant — 51 — was 42 percent higher than in 2009, when it was 36.
To my surprise, I found a hint of progress, especially when a teenage girl asked me to help capture her rapist.
But a slight narrowing in the gap between what large banks like JPMorgan Chase and Bank of America and others in the industry pay for deposits may suggest a hint of progress.
It is possible to see Fayyad's focus on security and development as sitting well with Netanyahu's idea of an "economic peace", and in the desperation to find a hint of progress, a US-educated, ex-World Bank man of "moderation" is a useful way for the western media to avoid the gloom of discussing the Gaza Strip, Hamas, and Israeli intransigence over settlement growth.
Mr Razali has spent the past year trying to get the promised dialogue going, without any hint of progress.
Mr. Maliki's supporters blamed other Arab countries eager to derail any hint of progress in the political talks.
The timing of the attack raised the possibility that rejectionist Palestinians were seeking to block the prisoner exchange and destroy any hint of progress.
A dramatic weight loss in a patient with pancreatic cancer can be a hint of a more progressed and aggressive tumour.
Hence, dramatic weight loss in a patient with pancreatic cancer may be a hint of a more progressed or more aggressive tumour.
