Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu vu cu snippets" » "khu vuc cu snippets", "khu du cu snippets", "khu va cu snippets", "khu vu cua snippets", "khu cu cu snippets", "khu vu tu 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 vu cu 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 vu cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu vu cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu vu cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.