The phrase "a range of hints" is correct and usable in written English.
It can be used when referring to multiple suggestions or clues that can help someone understand or solve a problem.
Example: "The teacher provided a range of hints to help the students prepare for the exam."
Alternatives: "a variety of clues" or "a selection of suggestions."
We even know, in general terms, why George killed Nina -- because he loved her and believed she betrayed him -- but Jordan hides the precise reason in a range of misty possibilities, hinting at frustrated homosexual desire, incest, madness and war.
In addition to collecting analytical and numerical results regarding axial velocity, shear stress, flow rate and flow resistance with the help of chosen pressure gradient, we have pointed out a range of parameter variation that hints at our model's results being closer to experimental results than the results obtained by Herschel Bulkley model.
This suggests that miRNA-mediated control targets a range of typical biological processes hinting at a distinct systems-biology function of miRNAs.
The Iranians are likely, in the next few days, to hint at a range of concessions, perhaps even on the question of enrichment.
The governing Labour Party has hinted at a range of spending cuts in areas like military spending and infrastructure, which would be put in place only once the economy recovers.
Trailers for The Last Jedi hint at a range of new worlds for us to discover, and a newly released featurette on them looks at one named Crait.
GATA2 bound to a wider spectrum of sequences in vivo than anticipated, binding to a range of GATA repeats and palindromes previously hinted at by some in vitro studies (Badis et al., 2009; Trainor et al., 2000), and challenging the current view of uniformity of GATA factor DNA sequence recognition.
Pick the one that's right for you - there are now many different hosting companies that offer a range of excellent hosting packages with a hint of green, so you can afford to be picky.
Over many years, similar assets have been sold to a range of foreign buyers, including the Chinese, without a hint of concern for such issues.
No wonder the Treasury has hinted that it is considering a range of options for reform.
