Collocations for elusive - adj.

be, prove
Further movie roles have proved somewhat elusive for the young actor.

become
remain

extremely, fairly, very, etc.
a very eloquent speaker

highly
ever
He was searching for the ever elusive ‘perfect job’.

strangely
A cure has proved strangely elusive.

notoriously
Truth is a notoriously elusive quality.

frustratingly, maddeningly
The murderer remained frustratingly elusive.

Elusive is used with these nouns:
character, concept, goal, quality