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