Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"luong java java snippets" » "luong va java snippets"
"dung data phan snippets" » "dung dat phan snippets", "dung dan phan snippets", "dung dau phan snippets", "dung dam phan snippets", "dung sat phan snippets", "dung vat phan 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: (((("luong java java snippets") or ("dung data phan snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong java java snippets") OR ("dung data phan snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( luong java java snippets ) or ( dung data phan snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("luong java java snippets") or ("dung data phan snippets"))) or ("locating bug code slippers"))*.