Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoa voi chat snippets" » "hoa voi nhat snippets", "hoa van chat snippets", "hoa hop chat snippets", "hoa vo chat snippets", "hoa vi chat snippets", "hop voi chat 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: (((("hoa voi chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa voi chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa voi chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa voi chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.