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