Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan dan soc snippets" » "hoa dan soc snippets", "hoang dang soc snippets", "khoan danh soc snippets", "hoan dan toc snippets", "hoan dan hoc snippets", "hoan dan so 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: (((("hoan dan soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan dan soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan dan soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan dan soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.