Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han li hoa snippets" » "shan li hoa snippets", "ban li hoa snippets", "dan li hoa snippets", "han lai hoa snippets", "han li hoc snippets", "han 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: (((("han 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: (((("han li hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han li hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han li hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.