Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan vi mot snippets" » "quan li mot snippets", "quan tri mot snippets", "quan doi mot snippets", "quan vi mo snippets", "quan va mot snippets", "quan ve mot 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: (((("quan vi mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan vi mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan vi mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan vi mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.