Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang ham ca snippets" » "chang dam ca snippets", "chang ha ca snippets", "hang hai ca snippets", "chang pham ca snippets", "chang ham cua snippets", "chang am ca 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: (((("chang ham ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chang ham ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang ham ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang ham ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.