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