Perhaps you should try some spelling variations:
"tang dan lieu snippets" » "tang van lieu snippets", "tung dan lieu snippets", "tang luan lieu snippets", "tang da lieu snippets", "tang dan dieu snippets", "tang dang dieu snippets", "tang dan lieu slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("tang dan lieu snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang dan lieu snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang dan lieu snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang dan lieu snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.