Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu can den snippets" » "tiep can den snippets", "dieu can den snippets", "tiem can den snippets", "tieu ban den snippets", "tieu dan den snippets", "tieu van den 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 can den 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 can den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu can den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu can den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.