Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu hung te snippets" » "huu tung te snippets", "huu dung te snippets", "huy hung te snippets", "huu hung tu snippets", "huu cung te 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 hung 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 hung te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hung te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hung te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.