Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam su can snippets" » "nam suu can snippets", "nam sau can snippets", "nam so can snippets", "nam su van snippets", "nam su cao snippets", "nam su han 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: (((("nam su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam su can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam su can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.