Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dong dao robot snippets" » "dong tao robot snippets", "dong cho robot snippets", "dong a robot snippets", "dong dat robot snippets", "dong giao robot snippets", "dong co robot 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 ("dong dao robot snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong dao robot snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong dao robot snippets ))) or ( locating bug core snippets ))*.