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