Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao khang de snippets" » "dao khong de snippets", "tao khang de snippets", "tao khoang de snippets", "dao hoang de snippets", "dao hang di 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: (((("dao khang 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: (((("dao khang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao khang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao khang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.