"seemingly unclear" is correct and usable in written English.
You can use it when describing something that is not fully understood or is ambiguous. Example: The instructions for assembling the bookshelf were seemingly unclear, causing many customers to struggle and ultimately return the product.
It's unclear but seemingly unlikely that Facebook would require users to chat via the desktop software instead of the website.
The reasons for these seemingly conflicting results remain unclear; however, there are a number of differences in the experimental design that could be responsible.
The reasons behind this seemingly contradictory evidence remain unclear.
This somewhat unclear exclusion is seemingly unjustified and, as the authors themselves readily admit, may have biased the results of the study.
Careful studies of the potential role of Paneth cells in NEC over the past 15 y have yielded unclear and sometimes seemingly contradictory results.
Why VSM should be seemingly sensitive to Progerin is unclear, but it maybe relevant that in skin biopsies from HGPS patients, VSM expressed the highest levels of Progerin [ 18, 48].
Since the authors did not evaluate a group with solely an Lu labelled somatostatin analogue, it remains unclear whether the seemingly superior outcome of the cocktail group is driven only by the addition of Lu or whether it is really an effect of the combination.
It is hard to say what role, if any, Mr. Spitzer's escalating disappointment in Albany played in his extraordinarily risky, self-destructive behavior, and it remains unclear when his once seemingly idyllic life went so awry.
Where the Willian move leaves Spurs now is unclear, with the Brazilian seemingly lined up as their replacement for Gareth Bale should he complete his move protracted to Real Madrid.
