Multiple search options in find

In CTF game I am playing, one of my tasks is to find a file with a specific name, size, and owner deep within a directory tree. find is the logical command, but what are the options?

Using the -a option, multiple search criteria are chained together with logical and:

jemurray@shell:~$ find . -type f -a -name '*foo*' -a -size +5G -a -size -20G -a -user jemurray -ls
   131244 14498696 -rw-r--r--   1 jemurray jemurray 14846652416 Dec 13 01:49 ./14G-foo.img