Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu cua he snippets" » "chuc cua he snippets", "hu cua he snippets", "chi cua he snippets", "chu cua che snippets", "chu cua te snippets", "chu cua le 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: (((("chu cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.