Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"lang son cham snippets" » "nang song cham snippets", "bang song cham snippets", "anh son cham snippets", "lang song cham snippets", "lang son pham snippets", "lang song chat 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: (((("dung java java snippets") or ("lang son cham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("lang son cham snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( lang son cham snippets ))) or ( locating bug code snippets ))*.