Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui nhat son snippets" » "luc nhat son snippets", "moi nhat son snippets", "bui nhat so snippets", "bui chat song snippets", "bui nhat toan 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: (((("bui nhat son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bui nhat son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui nhat son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui nhat son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.