Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan canh dot snippets" » "van canh dot snippets", "dan cach dot snippets", "dan hanh dot snippets", "dan anh dat snippets", "dan anh doc snippets", "dan benh dot 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 canh dot 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 canh dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan canh dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan canh dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.