Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"voi hoi chiu snippets" » "voi hoi chu snippets", "voi doi chieu snippets", "voi hai chieu snippets", "voi doi chiu snippets", "voi ho chiu snippets", "doi hoi chiu 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: (((("voi hoi chiu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi hoi chiu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi hoi chiu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi hoi chiu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.