Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thang tu den snippets" » "thong tu den snippets", "thanh tu den snippets", "hang tu den snippets", "thang tu dien 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: (((("thang tu 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: (((("thang tu den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thang tu den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thang tu den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.