Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan benh xo snippets" » "phau benh xo snippets", "phan banh xo snippets", "phong benh xo snippets", "phan benh co snippets", "phan benh hoc snippets", "phan benh noi 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 benh xo 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 benh xo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan benh xo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan benh xo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.