Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat tieu cau snippets" » "dat tieu code snippets", "day tieu cau snippets", "dat hieu cau snippets", "dat yeu cau snippets", "dat tiep cau snippets", "dat kieu chau snippets", "dat nhieu cau 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 tieu cau 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 tieu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat tieu cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat tieu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.