This is the 338th most frequent Italian word.
cercare
To look for; to search.
Here, 'cercando' is used as the present continuous form to mean 'looking for' or 'searching for', indicating an ongoing activity.
Sto cercando il mio libro.
I am looking for my book.
'Cercare' here is followed by 'di' and another verb, indicating an attempt or effort to accomplish an action.
Devo cercare di finish il compito oggi.
I must try to finish the task today.
Used here in the imperative form to mean 'try' in the context of attempting or persuading.