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