Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan cay cao snippets" » "khan cap cao snippets", "khoan cam cao snippets", "nhanh cay cao snippets", "khan chay cao snippets", "khan cay co snippets", "khan tay cao 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 cay cao 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 cay cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan cay cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan cay cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.