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