Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben tra cau snippets" » "ben tre cau snippets", "bien tram cau snippets", "bien tran cau snippets", "ben tra sau snippets", "ben ta cau snippets", "ben tra cuu 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: (((("ben tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben tra cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben tra cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben tra cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.