Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuc hai con snippets" » "khuc hat con snippets", "thuc thai con snippets", "cuc hai con snippets", "khuc phai con snippets", "khuc bai con snippets", "khuc hai son 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: (((("khuc hai 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: (((("khuc hai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuc hai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuc hai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.