Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"luong va dat snippets" » "dung va dat snippets", "luong va dao snippets", "luong va dau snippets", "luong va dap snippets", "luong va dat slippers"

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 va dat snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong va dat snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( luong va dat snippets ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong va dat snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.