Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soan va hoi snippets" » "doan va hoi snippets", "toan va hoi snippets", "san va hoi snippets", "soan xa hoi snippets", "soan va hoc snippets", "soan va hoa 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 hoi 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 hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soan va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soan va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.