How to Use "serendipity" with Example Sentences

1. We have had more than our fair share of mac serendipity though .
2. The other big serendipity block seems to be " the plan " .
3. So often it is pure serendipity there is no grand plan , no career map .
4. It restores serendipity to the flow of information .
5. Serendipity smiles upon people who have a more relaxed approach to life .