Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu cao hon snippets" » "cu cao hon snippets", "chu cai hon snippets", "cho cao hon snippets", "chu cao son snippets", "chu cao hoc snippets", "chu ca hon 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 cao hon 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 cao hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu cao hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu cao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.