Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung vinh dh snippets" » "dang vinh dh snippets", "dung ninh dh snippets", "quang vinh dh snippets", "dung sinh dh snippets", "dung vinh thi 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 vinh dh 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 vinh dh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vinh dh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vinh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.