Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngan danh ho snippets" » "ngan hang ho snippets", "ngan sach ho snippets", "nhan dan ho snippets", "ngan danh cho snippets", "ngan danh hoa snippets", "ngan danh hoc 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: (((("ngan danh 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: (((("ngan danh ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngan danh ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngan danh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.