Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang su doi snippets" » "chang xu doi snippets", "chang xue doi snippets", "dang su doi snippets", "chang sua doi snippets", "chang su dai snippets", "chang tu doi 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: (((("chang su doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chang su doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang su doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang su doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.