Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat lieu doi snippets" » "dat lieu code snippets", "vat lieu doi snippets", "da lieu doi snippets", "dat hieu doi snippets", "dat lieu boi snippets", "dat lieu voi snippets", "dat lieu dai 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: (((("dat lieu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat lieu doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat lieu doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat lieu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.