Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh khoa dat snippets" » "doanh khoa dat snippets", "hang khoa dat snippets", "anh hoa dat snippets", "anh khoa dang snippets", "anh khoan dau snippets", "anh khoa dat slippers"
"locating bug code snippets" » "locating bug code slippers", "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 khoa dat 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 khoa dat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh khoa dat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh khoa dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.