Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu lam toc snippets" » "thieu lam toc snippets", "tien lam toc snippets", "lieu lam toc snippets", "tieu lam thuoc snippets", "tieu lam truoc snippets", "tieu lam duoc 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: (((("tieu lam 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: (((("tieu lam toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu lam toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu lam toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.