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