Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc qua di snippets" » "luc quan di snippets", "luc cua di snippets", "luc nua di snippets", "luc qua da snippets", "luc qua dieu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("luc qua di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc qua di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc qua di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc qua di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.