Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hut sinh con snippets" » "huy sinh con snippets", "hut binh con snippets", "thuat sinh con snippets", "hut sinh cong snippets", "hut sinh ton snippets", "hut sinh co 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: (((("hut sinh con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hut sinh con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hut sinh con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hut sinh con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.