Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai dung hon snippets" » "hai duong hon snippets", "mai dung hon snippets", "hai dang hon snippets", "hai dung hong snippets", "hai dung hoc snippets", "hai dung con 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 hon 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 hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai dung hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai dung hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.