Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan ma che snippets" » "nhan ma che snippets", "than ma che snippets", "khan maaz che snippets", "khan may che snippets", "khan va che snippets", "khan ba che 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: (((("khan ma che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khan ma che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan ma che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan ma che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.