"find difficulties in" is a correct and usable phrase in written and spoken English.
It means to encounter challenges or struggle with something. Example: The new employee found difficulties in understanding the company's complex procedures.
I have prepared him to find difficulties in the present political situation of New York.
Nevertheless, traditional data mining techniques find difficulties in their application on current scenarios, due to the complexity previously mentioned.
In the particular situation where these features are not homogeneous (i.e. combination of qualitative and quantitative information), systems find difficulties in performing the CBR cycle.
"It's bad for everyone," one child is quoted as saying, "but it's more common for someone who's just come here from a different country, as their culture's crushed … they have a different culture and they don't understand the phrases or the sayings, and they might find difficulties in coming together".
Everytime I find difficulties in my subjects, they are always willing to help me.
What's more, local businesses often find difficulties in updating and maintaining their websites with relevant content, and making their sites into workable, valuable communication platforms.
In September 1993, Murdoch wrote in her diary: "Find difficulty in thinking and writing".
How might celebrities find difficulty in differentiating between their private and public lives?
Some inmates may find difficulty in writing, or even be illiterate and letters in and out of prison are screened.
It is we, corralled in the organisational silos of the 21st century, who find difficulty in seeing their interrelationship.
However, some applications find difficulty in using the lines such as seakeeping analysis, which requires the computation of wetted part that is changing dynamically over time.
