Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan li hoa snippets" » "ban li hoa snippets", "han li hoa snippets", "pan li hoa snippets", "dan lai hoa snippets", "dan li hoc snippets", "dan bi hoa 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: (((("dan li hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan li hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan li hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan li hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.