Perhaps you should try some spelling variations:
"luong java java snippets" » "luong va java snippets"
"dung lua code snippets" » "dung luan code snippets", "dung luat code snippets", "dung cua code snippets", "dung bug code snippets", "dung lbm code snippets"
"locating bug core snippets" » "locating bug code snippets"

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 lua code snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong java java snippets") OR ("dung lua code snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( luong java java snippets ) or ( dung lua code snippets ))) or ( locating bug core snippets ))*.