How to get the following results

[Fischerilover]

Hello everyone I am new on site but not new in the hobby. I have been following this hobby for quite some time. Now I would like to know that what type of pairing should I make to get the following results regards.
Fischerilover

 

[Shezbug]

Welcome

 

[Fischerilover]

Welcome

Thank you

 

[Mitzi]

Beautiful lovebirds. I've never seem one like the yellow blue one.

 

[Fischerilover]

Beautiful lovebirds. I've never seem one like the yellow blue one.

oh it's a parblue personata it's new that's why I asked for working on its mutation