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