Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"banh van do snippets" » "anh van do snippets", "ban van do snippets", "bach van do snippets", "banh van dao snippets", "banh van de snippets", "banh van 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: (((("banh van do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("banh van do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( banh van do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("banh van do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.