Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong dat de snippets" » "cong dat code snippets", "dong dat de snippets", "cong dan de snippets", "cong da de snippets", "cong vat de snippets", "cong hat de snippets", "cong dat dien 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: (((("cong dat 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: (((("cong dat de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong dat de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dat de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.