Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat va toc snippets" » "chat va toc snippets", "pham va toc snippets", "phap va toc snippets", "phat va doc snippets", "phat va tac snippets", "phat va ton 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: (((("phat va toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat va toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat va toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat va toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.