Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua tang vo snippets" » "qua hang vo snippets", "qua mang vo snippets", "qua nang vo snippets", "qua tang o snippets", "qua tang co snippets", "qua tang ho 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: (((("qua tang vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua tang vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua tang vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua tang vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.