Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren cao toc snippets" » "tren co toc snippets", "tren ca toc snippets", "tren cay toc snippets", "tren cac toc snippets", "tren cao hoc snippets", "tren cao ngoc 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: (((("tren cao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tren cao toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren cao toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren cao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.