Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat long du snippets" » "chat luong du snippets", "hai long du snippets", "ha long du snippets", "chat long vu snippets", "chat lang du 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: (((("chat long 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: (((("chat long du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat long du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat long du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.