Perhaps you should try some spelling variations:
"dung dat robot snippets" » "dung tao robot snippets", "dung a robot snippets", "dung tay robot snippets", "dung va robot snippets", "dung tai robot snippets"
"locating bug core snippets" » "locating bug code snippets"
"using 3 code snippets" » "using 3d code snippets", "using a code snippets", "using _ 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: (((("using 3 code snippets") or ("dung dat robot snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using 3 code snippets") OR ("dung dat robot snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using 3 code snippets ) or ( dung dat robot snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using 3 code snippets") or ("dung dat robot snippets"))) or ("locating bug core snippets"))*.