Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc phuc co snippets" » "toc phu co snippets", "moc phuc co snippets", "toc hoc co snippets", "toc thuc co snippets", "toc phuc hoi snippets", "toc phuc cam 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: (((("toc phuc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc phuc co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc phuc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc phuc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.