Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu nam so snippets" » "lieu lam so snippets", "lieu nano so snippets", "lieu tham so snippets", "lieu nam sao snippets", "lieu nam bo 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: (((("lieu nam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu nam so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu nam so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu nam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.