Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat tu hoa snippets" » "luat tuc hoa snippets", "luat thu hoa snippets", "luat du hoa snippets", "luat tu khoa snippets", "luat tu hoai snippets", "luat tuy hoa 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: (((("luat tu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat tu hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat tu hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat tu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.