Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"toc luan de snippets" » "hoc luan de snippets", "thuoc luan de snippets", "nuoc luan de snippets", "toc luan den snippets", "toc luan ve snippets", "toc luat de snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("toc luan de snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc luan de snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( toc luan de snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc luan de snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.