Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai dan che snippets" » "hai dang che snippets", "hoi dan che snippets", "hai tan che snippets", "hai han che snippets", "hai dan cho snippets", "hai dan he 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 dan che 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 dan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai dan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.