"sought explanation" is grammatically correct and can be used in written English.
It is often used as a noun phrase and means the act of asking for an explanation or the result of seeking an explanation. Example: The teacher asked the student for a sought explanation regarding their absence from class yesterday.
But it was inevitable that some sought explanations beyond even a personal clash.
For almost a year, she had sought explanations for her various complaints, discussing her symptoms with twenty physicians in her H.M.O.
Roger V. Gould, an influential sociologist who sought explanations for social upheavals large and small in the subtle texture of interpersonal relationships, died on Monday at Memorial Sloan-Kettering Cancer Center in Manhattan.
In those cases, lawyers defending Mr. Taubman sought explanations from Christie's about documents turned over by a former chief executive of Christie's, Christopher M. Davidge.
Durrani found the charts "a bit one-sided," but when he returned to Islamabad he sought explanations about the violations from Pakistan Army commanders.
NOTEBOOK transcription of Nicolo Paganini's recipe for ravioli... Paganini's violin technique was so spectacular that some listeners sought explanations in the supernatural.
As a teenager, he lost friends to heroin, murder and suicide; rattled and angry, he sought explanations in "On the Shortness of Life," by the Roman thinker Seneca.
Synthetic biology was founded as a biophysical discipline that sought explanations for the origins of life from chemical and physical first principles.
While recognizing the hybrid nature of social science as causal and interpretive, he sought explanations of particular phenomena that united both dimensions.
In spite of these gender-based differences in health behaviours, few studies have sought explanations for their causes.
