'internal quarrel' is a correct and usable phrase in written English.
It is commonly used to describe conflict or disagreement among members of a group or organization. For example, "The labor union had an internal quarrel about wages, which had to be resolved through mediation."
This grander vision is what Europe's leaders should be describing to their voters not making future expansion of the club dependent on an internal quarrel over its constitution.
Penney's internal quarrel intensified on Friday as Mr. Ackman released a five-page letter to the board and to the media, excoriating Mr. Ullman's decision-making and pressing the company to hire a new, permanent chief executive.
No further action against Lee followed, even after Lee, frustrated by his inability to find a local publisher at Louvain for his complaints against Erasmus' biblical scholarship, published his criticisms at Paris, thus making an internal quarrel public.
Look at the bliss that has spread around you". Suddenly, my internal quarrel drowned into the music, the wedding march had begun.
Far from glossing over such issues, Ms Baram lays bare the paper's internal quarrels.
Even before the defeat last week, the Free Democrats were quickly losing ground and riven with internal quarrels.
At the end of the day it's just becoming a classic party with its internal quarrels".
More: this conflict now eclipses familiar internal quarrels between secular and religious, Sunni and Shia or left and right.
Had the weather turned stormy, or had the Germans not been distracted by internal quarrels and other fronts, the allied landing might have tipped from triumph to disaster.
Protagonists in Greece's internal quarrels have long invoked external assistance, while furiously denouncing any foreign help given to their rivals.
To fight terror successfully, great powers must put aside internal quarrels and set up a joint task force acting on behalf of, but independently from, governments.
