Perhaps you should try some spelling variations:
"luong trong cuc snippets" » "duong trong cuc snippets", "duong truong cuc snippets", "thuong trong cuc snippets", "luong trong cuoc snippets", "luong trong cac snippets", "luong tong cuc snippets"
"dung java java snippets" » "dung va java 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: (((("luong trong cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong trong cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong trong cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong trong cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.