Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan huy can snippets" » "van huy can snippets", "dan quy can snippets", "dao huy can snippets", "dan duy can snippets", "dan thuy canh snippets", "dan huy tran 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: (((("dan huy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan huy can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan huy can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan huy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.