The phrase "unexpected occurrences" is correct and usable in written English.
It is typically used when referring to something that happened unexpectedly or something that could not be predicted. For example: "It is important to be prepared for unexpected occurrences at all times."
However, there were some unexpected occurrences regarding the PLT content.
The notion of improvisation has recently emerged in managerial studies as a viable answer to flexibly dealing with unexpected occurrences.
But American-based managers were more likely also to trade "event-driven" strategies, based on unexpected occurrences such as takeovers.
Hospitals in New York have been required to report medical mistakes and other unexpected occurrences to the state Health Department since 1985.
Jang's research suggests that when new information presents "risks and threats, novel findings, or unexpected occurrences", people are more likely to pay attention to bias-disconfirming ideas.
He develops a notion of how unexpected occurrences can be incorporated into a model of scientific and technological development that includes the experimental handling of surprises.
The unexpected occurrence last year was that there was no unexpected occurrence, at least not a bad one.
Then, in another unexpected occurrence in arid West Texas, it rained.
The giggles and cackles of children rang out through the hall, another unexpected occurrence at a Schiff recital.
This is not a "black swan" event — a sudden, unexpected occurrence — but a white swan one, said Michael A. Levi, senior fellow for energy and the environment at the Council on Foreign Relations.
Reconnecting the man to the ventilator "was not an unexpected occurrence for any patient" in the man's condition because patients with heart failure may need ventilator support for short intervals in recovery from major surgery, a hospital spokeswoman said.
