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