Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat tiep cua snippets" » "dat tieu cua snippets", "dat tien cua snippets", "dat thien cua snippets", "dat tiep can snippets", "dat dieu cua snippets", "dat tap cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 tiep cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat tiep cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat tiep cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat tiep cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.