Collocations for difficult - adj.

be, look, prove, seem, sound | become, get
It is getting more and more difficult to find a job.

make sth
The fog made driving very difficult.

find sth

exceedingly, extraordinarily, extremely, incredibly, particularly, really, very | doubly
Her disability made taking care of the home and raising a family doubly difficult.

increasingly | a bit, quite, rather | notoriously
Birth rates are notoriously difficult to predict.