Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan ap so snippets" » "khan cap so snippets", "han ap so snippets", "khan dam so snippets", "khan dap so snippets", "khan lap so snippets", "khan tap so 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 ap so 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 ap so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan ap so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan ap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.