Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"toc do trinh snippets" » "toc doc trinh snippets", "toc doi trinh snippets", "toc co trinh snippets", "toc dao trinh snippets", "hoc do trinh snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("toc do trinh snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( toc do trinh snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("toc do trinh snippets"))) or ("locating bugs code snippets"))*.