Perhaps you should try some spelling variations:
"can thi robot snippets" » "can cho robot snippets", "can tao robot snippets", "can tay robot snippets", "cau thi robot snippets", "dan thi robot snippets", "van thi robot snippets", "can thi robot slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("can thi robot snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can thi robot snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can thi robot snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can thi robot snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.