Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu dung te snippets" » "huu tung te snippets", "huu quang te snippets", "thuy dung te snippets", "huu dung he snippets", "huu dung de snippets", "huu dung le 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: (((("huu dung te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu dung te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu dung te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu dung te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.