Remove the use lib line you could try the following options:
1) export PERL5LIB="/home/hamidjon/Perl/Learning/code_examples/myModules"
2) perl -I/home/hamidjon/Perl/Learning/code_examples/myModules yourScript.pl
3) perl -V will show you a list of system direcotries where perl will look for modules. Once you module is ready you might want to put them there