Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi noi doan snippets" » "doi voi doanh snippets", "doi doi doanh snippets", "doi ngo doan snippets", "doi voi doan snippets", "doi moi doan snippets", "loi noi doan 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: (((("doi noi doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi noi doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi noi doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi noi doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.