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