Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi van do snippets" » "phi san do snippets", "thi van do snippets", "phi va do snippets", "phi van dao snippets", "phi van de snippets", "phi 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: (((("phi 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: (((("phi van do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi van do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi van do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.