Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu hang di snippets" » "huu khang di snippets", "huu thang di snippets", "huu han di snippets", "huu hang doi snippets", "huu hang vi snippets", "huu hang dien 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 hang di 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 hang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.