Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat cho da snippets" » "dac cho da snippets", "day cho da snippets", "dan cho da snippets", "dat cho dao snippets", "dat cho dap snippets", "dat cho dai 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: (((("dat cho da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat cho da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat cho da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat cho da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.