Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich chi hon snippets" » "dinh chi hon snippets", "dia chi hon snippets", "linh chi hon snippets", "dich chi con snippets", "dich chi hoa snippets", "dich choi hoan 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 chi hon 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 chi hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich chi hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich chi hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.