Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu muc chat snippets" » "khu duoc chat snippets", "khu luc nhat snippets", "khu hoc chat snippets", "khu vuc chat snippets", "thu muc chat snippets", "khu phuc chat 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: (((("khu muc chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu muc chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu muc chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu muc chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.