Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan ve mo snippets" » "quan he mo snippets", "quan vi mo snippets", "quan va mo snippets", "quan ve moi snippets", "quan ve mot snippets", "quan ve mon 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 ve mo 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 ve mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan ve mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan ve mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.