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