Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat thue de snippets" » "luat thue da snippets", "luat thue ke snippets", "luat tue de snippets", "luan thue de snippets", "xuat thue de 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: (((("luat thue de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat thue de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat thue de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat thue de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.