Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu toi du snippets" » "phu troi du snippets", "phu doi du snippets", "phu loi du snippets", "phu toi uu snippets", "phu tri du snippets", "phu toi da 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: (((("phu toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu toi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu toi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.