Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu luc cong snippets" » "khu luoc cong snippets", "khu duc cong snippets", "khu luc dong snippets", "khu vuc cong snippets", "thuy luc cong snippets", "khu phuc cong 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: (((("khu luc cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu luc cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu luc cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu luc cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.