Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat va nghe snippets" » "chat van nghe snippets", "chat ve nghe snippets", "chat va nghi snippets", "nhat va nghe snippets", "phat va nghe 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 va nghe 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 va nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat va nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat va nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.