"speaking problems" is correct and usable in written English.
It can be used to refer to difficulties with forming words, using proper grammar and pronunciation, or any other issue that someone might have with speaking. For example, "He had severe speaking problems following his stroke."
Roughly speaking, problems of this type naturally require such an abstract setting.
The aim of the study is to solve speaking problems of students in an EFL class using contextual internet-based instructional materials.
Generally speaking problems with unfalsifiable hypotheses require something other than the conjectures-and-refutations recipe for reliable methods (this assertion hinges on what exactly one means by "falsifiable hypothesis"; see Section 3 (The Limits of Inquiry and the Complexity of Empirical Problems) as well as [Schulte and Juhl 1996]).
Reasons for non-participation were refusal (3.0%), absence during the enrolment period (2.6%) and other reasons (health, hearing, speaking problems; 1.6%).
Furthermore, participants were excluded if they had mental impairment, severe hearing or speaking problems or were aged less than 10 years.
Children were excluded if they had any disease or syndrome that may affect the fat distribution or body composition, such as Cushing syndrome or hypothyroidism, based on information provided by the parents; writing or speaking problems; and not fasted on the day of data collection.
But even as he spoke, problems were sprouting all around him.
Generally speaking, wildlife problems are property problems, not safety problems.
They helped me overcome my speaking problem.
The findings were interpreted as showing that increased anxiety levels in particular states are a result of the speaking problem.
In recent weeks, Chinese officials have been unusually blunt in speaking about problems associated with the dam.
