Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang bai cac snippets" » "dung bai cac snippets", "dang hai cac snippets", "dang ba cac snippets", "dang tai cac snippets", "dang bai ca snippets", "dang vai cac 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: (((("dang bai cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang bai cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang bai cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang bai cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.