This is the 1744th most frequent Russian word.
денежных
"Денежных" means "monetary" or "related to money" in English.
In this sentence, 'денежных' is used as an adjective modifying 'потоков' (flows), emphasizing their financial nature.
У меня иногда возникают трудности с управлением денежных потоков.
I sometimes encounter difficulties in managing monetary flows.
Here, 'денежным' is an adjective modifying 'вложениям' (contributions), indicating these contributions were financial or monetary.
Он получил премию благодаря своим денежным вложениям.
He received a reward due to his monetary contributions.
In this instance, 'денежных' is an adjective describing 'вопросов' (issues), referring to subjects related to finances or money.