Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh ngoc son snippets" » "dinh ngoc son snippets", "danh ngon son snippets", "dang ngoc son snippets", "anh ngoc hoa snippets", "anh ngoc lan 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: (((("anh ngoc son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh ngoc son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh ngoc son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh ngoc son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.