Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat giao con snippets" » "dan giao con snippets", "dat gia con snippets", "dai giao con snippets", "dat giao cong snippets", "dat gian con snippets", "dat gia cong 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: (((("dat giao 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: (((("dat giao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat giao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat giao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.