Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung dich do snippets" » "luong dich do snippets", "hang dich do snippets", "dung dich dao snippets", "dung dich ho snippets", "dung dich di 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: (((("dung dich do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dich do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dich do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dich do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.