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