Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao noi ve snippets" » "nam noi ve snippets", "dao noi ve snippets", "nang noi ve snippets", "nao moi ve snippets", "nao noi va 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 noi ve 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 noi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao noi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.