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