Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian thua so snippets" » "giai thuat so snippets", "gian cua so snippets", "gian ha so snippets", "gian thuat so snippets", "gian thuc so snippets", "gian thuat son 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: (((("gian thua 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: (((("gian thua so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian thua so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian thua so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.