Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu duc con snippets" » "khu vuc con snippets", "khu du con snippets", "thu duc con snippets", "khu duc cong snippets", "khu duc ton snippets", "khu duc cuong 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 duc con 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 duc con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu duc con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.