Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon thit da snippets" » "bo thit da snippets", "loan thi da snippets", "lon nhat da snippets", "lon thi da snippets", "lon thpt dan snippets", "lon thiet de 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: (((("lon thit da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon thit da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon thit da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon thit da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.