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