The phrase "actually unclear" is correct and usable in written English.
It can be used to describe a situation, statement, or concept that lacks clarity or is difficult to understand.
Example: "The instructions provided were actually unclear, leading to confusion among the team members."
Alternatives: "truly ambiguous" or "genuinely vague".
But it is actually unclear how effective it can be -- in a sense of gaining actual votes for Trump.
But it is actually unclear how much of the panel's findings will ever be made public.
The council's "master plan" is actually unclear: even the hospital doesn't know what it will use the site for yet (Sara Jane Trebar, a Farm Terrace campaigner, thinks it will become 68 houses and a car park for Watford football club).
It's actually unclear just how much of a remake we're looking at; straight port?
Apart from the questions of whether operational definitions are sufficient or necessary, it is actually unclear what types of things operations are, and how they should be specified.
It's actually unclear how much potency has increased over time.
Fifty years on, it's actually little unclear just how convincing "Silent Spring"'s case against D.D.T. really is; even in the twenty-first century, researchers are still arguing about whether or not normal exposure to D.D.T. causes cancer.
This is a notable data point, since the challenge's origins are actually somewhat unclear, and have been attributed to a number of sources, including a "cold water challenge" that began in the Northern U.S., which is documented in more detail on KnowYourMeme.com.com
Despite the last month's vocal community outrage, it is actually pretty unclear if the Department of Immigration is becoming the Grinch that stole visas.
Actually, it is unclear whether presentism, necessitarianism, or actualism can escape any of the problems discussed above in connection with "impersonal" theories, and in particular the Repugnant Conclusion.
What actually happened remains unclear.
