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