Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung tri phe snippets" » "dung tai phe snippets", "dung tren phe snippets", "nhung tri phe snippets", "dung tri phu snippets", "dung tri phan 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 tri phe 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 tri phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tri phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.