Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai le doan snippets" » "hai le dan snippets", "hai ly doanh snippets", "hai le hoang snippets", "hai ly doan snippets", "tai le doan snippets", "hoi le doan 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 le doan 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 le doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai le doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai le doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.