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