Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi than de snippets" » "thi thanh de snippets", "thi thuan de snippets", "thi thao de snippets", "thi toan de snippets", "thi than dieu 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: (((("thi than 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: (((("thi than de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi than de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi than de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.