Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gen qua cua snippets" » "gen cua cua snippets", "den qua cua snippets", "xen quai cua snippets", "gen quan cua snippets", "gen quang cua snippets", "gen qua quan 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: (((("gen qua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gen qua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gen qua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gen qua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.