How to implement SQL Like Query ot fulltextquety Search?

Hello

I have five type of following documents in my document libraries

1123AVK.DOCX
1123AVKS.DOCX
123AVK237.DOCX
123AVKS.DOCX
2123AVK.DOCX

Now when I search keyword as 123AVK, it returns following two result i.e.

123AVK237.DOCX
123AVKS.DOCX

I want it should result all 5 records as mentiond above, but I could not find any thing SQL Like Search %keyword%. I am using out of box search, let me know Is this possible, if so please share your thoughts.

Avian