Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc tham du snippets" » "toc thai du snippets", "toc cham du snippets", "hoac tham du snippets", "toc thap du snippets", "toc tham do snippets", "toc pham duc 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 tham 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: (((("toc tham du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc tham du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc tham du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.