Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"yang van den snippets" » "yang van code snippets", "dang van den snippets", "tang van den snippets", "lang van den snippets", "yang van de snippets", "yang van der snippets", "yang ban den snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("yang van den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang van den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( yang van den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang van den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.