Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han bai con snippets" » "phan bai con snippets", "han tai con snippets", "san bai con snippets", "han bai lon snippets", "han hai con snippets", "han tai cong 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 bai con 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 bai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han bai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.