Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai dung von snippets" » "hai duong von snippets", "mai dung von snippets", "hai dang von snippets", "hai dong von snippets", "hai dung cong snippets", "hai dung va 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: (((("hai dung von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai dung von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai dung von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dung von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.