Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thong tu nom snippets" » "phong tuc nom snippets", "thong tin nom snippets", "thong ke nom snippets", "thong tu nam snippets", "thong tu nem 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: (((("thong tu nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong tu nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong tu nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong tu nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.