Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gia duc con snippets" » "giao duc con snippets", "gia muc con snippets", "gia thuc con snippets", "gia duc cong snippets", "gia duc ton snippets", "gia duc cuong 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: (((("gia duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gia duc con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gia duc con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gia duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.