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