Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh bat con snippets" » "doanh bat con snippets", "anh bai con snippets", "dinh ba con snippets", "danh bat cong snippets", "danh bat can snippets", "danh bat coc 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: (((("danh bat con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh bat con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh bat con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh bat con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.