Perhaps you should try some spelling variations:
"van luong cuoc snippets" » "van trong cuoc snippets", "van duong cuoc snippets", "van cuong cuoc snippets", "nang luong cuoc 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van luong cuoc 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 luong cuoc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( van luong cuoc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets ))*.