Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu cuc hoa snippets" » "khu vuc hoa snippets", "thu cuc hoa snippets", "khu phuc hoa snippets", "khu duc hoa snippets", "khu chuc hoat snippets", "khu duc hoan 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 cuc hoa 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 cuc hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu cuc hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu cuc hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.