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