Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam san don snippets" » "lam sang don snippets", "lam son don snippets", "luan san don snippets", "lam van don snippets", "lam san doanh snippets", "lam van dong 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 san don 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 san don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam san don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam san don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.