Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu va so snippets" » "khau va so snippets", "thu va so snippets", "khu vu so snippets", "khu ma so snippets", "khu va su snippets", "khu va co 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 va so 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 va so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu va so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu va so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.