Perhaps you should try some spelling variations:
"van vuong phi snippets" » "van duong phi snippets", "van cuong phi snippets", "van luong phi snippets", "van vuong thi snippets", "van vuong phu snippets", "van vuong chi snippets", "van vuong phi slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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: (((("van vuong phi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van vuong phi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van vuong phi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van vuong phi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.