Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang hai lon snippets" » "dang khai lon snippets", "hang hai lon snippets", "dung hai lon snippets", "dang hai long snippets", "dang bai lon snippets", "dang hai 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: (((("dang hai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.