This is the 4246th most frequent Japanese word.
何だかんだ
"Something or other; one thing or another; various things."
Here, '何だかんだ' conveys the idea of various unspecified efforts or circumstances that led to achieving an outcome.
何だかんだでこのプロジェクトは完成しました。
Somehow or other, this project was completed.
In this sentence, '何だかんだ' is used to indicate complaints or discussions about various matters.
彼は何だかんだと言って結局助けてくれる。
He complains about this and that, but he ends up helping us.
Here, '何だかんだ' is used to evoke a general sense of excursions or unspecified factors not explicitly detailed.