Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu duc long snippets" » "huu duc cong snippets", "huu duc dong snippets", "huu duc hong snippets", "cuu duoc long snippets", "huu dung long 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 duc long 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 duc long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu duc long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu duc long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.