Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung dich vo snippets" » "luong dich vo snippets", "hang dich vo snippets", "dung dich vu snippets", "dung dich va snippets", "dung dich ho 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 vo 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 vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dich vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dich vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.