Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung nga cua snippets" » "dung ngan cua snippets", "dung nha cua snippets", "dung nhan cua snippets", "dung ngai cua snippets", "dung ngo cua 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 nga cua 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 nga cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nga cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nga cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.