This is the 14084th most frequent Russian word.
оказывалось
"Turned out" or "proved to be."
Here, "оказывалось" denotes an occurrence or realization upon concluding a search or effort, indicating a pattern discovered about the situation.
Когда мы искали документы, часто оказывалось, что нужный файл был в последней папке.
When we were searching for the documents, it often turned out that the needed file was in the last folder.
In this context, "оказалось" conveys the realization of a fact or situation upon its discovery.
Оказалось, что поезд уже ушёл, и нам надо было ждать следующего.
It turned out that the train had already departed, and we needed to wait for the next one.
This usage of "оказывалось" reflects a progressive realization about the complexity of the topic as it was being explored.