Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan cap cac snippets" » "khan ap cac snippets", "than cap cac snippets", "khoan cam cac snippets", "khan ca cac snippets", "khan cap sac snippets", "khan tap cac 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 cap cac 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 cap cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan cap cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan cap cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.