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