Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung bac che snippets" » "dong bac che snippets", "dung cac che snippets", "dung bai che snippets", "dung bao che snippets", "dung ba che 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 bac che 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 bac che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung bac che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung bac che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.