Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung nha di snippets" » "dung nhan di snippets", "dung ha di snippets", "dung khoa di snippets", "dung nha da snippets", "dung nha dieu snippets", "dung nhan dai 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 nha di 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 nha di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nha di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nha di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.