Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan canh ho snippets" » "van canh ho snippets", "dan cach ho snippets", "dan hanh ho snippets", "dan can ho snippets", "dan manh ho snippets", "dan danh hoa 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: (((("dan canh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan canh ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan canh ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan canh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.