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