Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan huy cuc snippets" » "phan tu cuc snippets", "phan xay cuc snippets", "van huy cuc snippets", "phan huy thuc 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: (((("phan huy cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan huy cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan huy cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan huy cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.